Doxygen is a source code documentation generator tool for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavors), Fortran, VHDL, PHP, C#, and to some extent D. Different output formats are supported. Self-installing archive including the GUI frontend (32-bit and 64-bit) and HTML manuals.

OpenAFS is a distributed filesystem. It offers a client-server architecture for file sharing, providing location independence, scalability and transparent migration capabilities for data. The 1.7 series is targeted at Microsoft Windows only (native File System client for Microsoft Windows available). Documentation.

OpenAFS is a distributed filesystem. It offers a client-server architecture for file sharing, providing location independence, scalability and transparent migration capabilities for data. The 1.7 series is targeted at Microsoft Windows only (native File System client for Microsoft Windows available).

OpenAFS is a distributed filesystem. It offers a client-server architecture for file sharing, providing location independence, scalability and transparent migration capabilities for data. Installer for 32-bit Applications on 64-bit Windows operating systems.

OpenAFS is a distributed filesystem. It offers a client-server architecture for file sharing, providing location independence, scalability and transparent migration capabilities for data. Installer for 32-bit Windows operating systems.

OpenAFS is a distributed filesystem. It offers a client-server architecture for file sharing, providing location independence, scalability and transparent migration capabilities for data. Installer for 64-bit Windows operating systems.

Doxygen is a source code documentation generator tool for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavors), Fortran, VHDL, PHP, C#, and to some extent D. Different output formats are supported. 32-bit binary.

Doxygen is a source code documentation generator tool for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavors), Fortran, VHDL, PHP, C#, and to some extent D. Different output formats are supported. 64-bit binary.

ImageMagick is a software suite to create, edit, and compose bitmap images. It can also read, convert and write images in a variety of formats (over 100). Win32 dynamic at 16 bits-per-pixel (further binaries available here).

ImageMagick is a software suite to create, edit, and compose bitmap images. It can also read, convert and write images in a variety of formats (over 100). Windows source code.

Stellarium is planetarium software. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.

Apache Subversion is a version control system (CVS replacement). Subversion Windows binaries.

VTK (The Visualization ToolKit) data (examples and tests).

VTK (The Visualization ToolKit) is an software system for 3D computer graphics, image processing, and visualization. It consists of a C++ class library, and several interpreted interface layers including Tcl/Tk, Java, and Python. Installer.

VTK (The Visualization ToolKit) is an software system for 3D computer graphics, image processing, and visualization. It consists of a C++ class library, and several interpreted interface layers including Tcl/Tk, Java, and Python. Source code.

RapidMiner (formerly YALE) is a knowledge discovery and data mining system. It is available as a stand-alone application for data analysis and as a data mining engine which can be integrated into own products. Windows 64-bit community edition.

RapidMiner (formerly YALE) is a knowledge discovery and data mining system. It is available as a stand-alone application for data analysis and as a data mining engine which can be integrated into own products. Windows 32-bit community edition.

RapidMiner (formerly YALE) is a knowledge discovery and data mining system. It is available as a stand-alone application for data analysis and as a data mining engine which can be integrated into own products. Java binary Zip archive.

Visit is an interactive parallel visualization and graphical analysis tool for viewing scientific data (MSVC9, Visual Studio 2008; for Windows Xp/Vista/7). 64-bit.

Visit is an interactive parallel visualization and graphical analysis tool for viewing scientific data (VisIt source distribution for Windows).

Visit is an interactive parallel visualization and graphical analysis tool for viewing scientific data (MSVC9, Visual Studio 2008; for Windows Xp/Vista/7). 32-bit.

MySQL Workbench is an extensible visual database modeling tool for MySQL. You can use it to design and create new database schemas, document existing databases and even perform complex migrations to MySQL. No installer (unzip in C:Program FilesMySQL AB).

JabRef is a bibliography reference manager. The native file format used is BibTeX, the standard LaTeX bibliography format. Sources.

JabRef is a bibliography reference manager. The native file format used is BibTeX, the standard LaTeX bibliography format.

MySQL Workbench is an extensible visual database modeling tool for MySQL. You can use it to design and create new database schemas, document existing databases and even perform complex migrations to MySQL. Source files.

Spybot - Search & Destroy an application to scan for spyware, adware, hijackers and other malicious software (free only for non-commercial use). Beta version.

Task Coach is a todo manager to keep track of personal tasks and todo lists. PortableApps.com Format. Installer (Windows 2000, XP, Vista, Windows 7).

Task Coach is a todo manager to keep track of personal tasks and todo lists. Installer (Windows 2000, XP, Vista, Windows 7).

Task Coach is a todo manager to keep track of personal tasks and todo lists. Source code (Python).

MP3 Diags finds problems in MP3 files and helps the user to fix many of them (with a GUI). Also includes a tag editor and a file renamer.

Blender is a 3D graphics creation suite allowing modeling, animation, rendering, post-production, realtime interactive 3D and game creation and playback with cross-platform compatibility. Windows 32-bits (XP/Vista/7). Zip archive.

Blender is a 3D graphics creation suite allowing modeling, animation, rendering, post-production, realtime interactive 3D and game creation and playback with cross-platform compatibility. Windows 64-bits (XP/Vista/7). Zip archive.

Blender is a 3D graphics creation suite allowing modeling, animation, rendering, post-production, realtime interactive 3D and game creation and playback with cross-platform compatibility. Windows 64-bits (XP/Vista/7). Installer.

Blender is a 3D graphics creation suite allowing modeling, animation, rendering, post-production, realtime interactive 3D and game creation and playback with cross-platform compatibility. Windows 32-bits (XP/Vista/7). Installer.

PeaZip is a flexible, portable, secure, and free file and archive manager (AMD64; standalone ZIP).

PeaZip is a flexible, portable, secure, and free file and archive manager (i386; standalone ZIP).

PeaZip is a flexible, portable, secure, and free file and archive manager (i386 32-bit Windows; installer, needs to run with administrative privileges).

PeaZip is a flexible, portable, secure, and free file and archive manager (AMD64 32-bit Windows; installer, needs to run with administrative privileges).

Euler Math Toolbox for numerical and symbolic computations. It supports symbolic mathematics using the open algebra system Maxima.

Euler Math Toolbox for numerical and symbolic computations. It supports symbolic mathematics using the open algebra system Maxima. Sources.

MySQL - SQL (Stuctured Query Language) database server (community version). Windows source code.

MySQL - SQL (Stuctured Query Language) database server (community version). Windows Installer (64-bit).

MySQL - SQL (Stuctured Query Language) database server (community version). Windows binary distribution (64-bit).

MySQL - SQL (Stuctured Query Language) database server (community version). Windows Installer (32-bit).

MySQL - SQL (Stuctured Query Language) database server (community version). Windows binary distribution (32-bit).

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell). Installation package. Beta version.

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell). Source code. Beta version.

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell). Portable executable. Beta version.

MySQL - SQL (Stuctured Query Language) database server (community version). Windows AMD64 / Intel EM64T without installer.

MySQL - SQL (Stuctured Query Language) database server (community version). Windows x86 without installer; unzip in C:.

MySQL - SQL (Stuctured Query Language) database server (community version). Windows Installer (32-bit).

MySQL - SQL (Stuctured Query Language) database server (community version). Windows Installer (64-bit).

MySQL - SQL (Stuctured Query Language) database server (community version). Windows source code.

FFTW is a collection of fast C routines for computing the discrete Fourier transform (DFT) in one or more dimensions. It includes complex, real, symmetric, and parallel transforms, and can handle arbitrary array sizes efficiently. Source code.

FFTW is a collection of fast C routines for computing the discrete Fourier transform (DFT) in one or more dimensions. It includes complex, real, symmetric, and parallel transforms, and can handle arbitrary array sizes efficiently. Precompiled Windows DLLs (32-bit version).

FFTW is a collection of fast C routines for computing the discrete Fourier transform (DFT) in one or more dimensions. It includes complex, real, symmetric, and parallel transforms, and can handle arbitrary array sizes efficiently. Precompiled Windows DLLs (64-bit version).

dos2unix - DOS/MAC to UNIX (and vice versa) text file format converter

dos2unix - DOS/MAC to UNIX (and vice versa) text file format converter

(good old) DOS tools and programs

Mercurial is a Source (Version) Control Management system designed for efficient handling of very large distributed projects. 64-bit binary.

Mercurial is a Source (Version) Control Management system designed for efficient handling of very large distributed projects. 32-bit binary.

KeePass Password Safe 2.x (Professional Edition; requires Microsoft .NET Framework >= 2.0 or Mono ≥ 2.2) - a light-weight and easy-to-use password manager

KeePass Password Safe 2.x (Professional Edition; requires Microsoft .NET Framework >= 2.0 or Mono ≥ 2.2) - a light-weight and easy-to-use password manage (source code)

KeePass Password Safe 2.x (Professional Edition; requires Microsoft .NET Framework >= 2.0 or Mono ≥ 2.2) - a light-weight and easy-to-use password manager

Scribus is a Linux desktop publishing program. Installer for Windows.

MP3 Diags finds problems in MP3 files and helps the user to fix many of them (with a GUI). Also includes a tag editor and a file renamer. Development version.

EMS HiTech's MySQL Manager is a MySQL Administration and Development Tool for Windows (commercial, trial version for evaluation purposes for a period of 30 days).

EMS HiTech's MySQL Manager is a MySQL Administration and Development Tool for Windows (commercial, trial version for evaluation purposes for a period of 30 days).

CCleaner is a Windows system optimization and cleaning tool. Hint: Besides this "Free" version there are also a "Home" and a "Business" version available.

KeePass Password Safe 1.x (Classic Edition) - a light-weight and easy-to-use password manager (unpack it to your favorite location: USB stick, ...).

KeePass Password Safe 1.x (Classic Edition) - a light-weight and easy-to-use password manager (source code)

KeePass Password Safe 1.x (Classic Edition) - a light-weight and easy-to-use password manager (Windows installer)

SciTE is a SCIntilla based Text Editor. Scintilla itself is a source code editing component supporting syntax styling, error indicators, code completion and call tips. This zio-file contains the SciTE executable, any required DLLs, configuration files and documentation.

SciTE is a SCIntilla based Text Editor. Scintilla itself is a source code editing component supporting syntax styling, error indicators, code completion and call tips. Source code.

Scintilla is a source code editing component (used fpr e.g. by SciTE).

CFITSIO is a library of C and Fortran subroutines for reading and writing data files in the FITS (Flexible Image Transport System) data format (precompiled binary DLL shared libraries for For Visual C++).

CFITSIO is a library of C and Fortran subroutines for reading and writing data files in the FITS (Flexible Image Transport System) data format (source code).

HWiNFO32 - hardware information and diagnostic tools for Windows 9x/2000/XP/Vista/Server 2003/2008/Windows 7.

HWiNFO64 - hardware information and diagnostic tools for XP/Vista/Server 2003/2008/Windows 7.

Cppcheck is a static analysis tool for C/C++ code. It checks for memory leaks, mismatching allocation-deallocation, buffer overrun, and many more. Windows installer.

Cppcheck is a static analysis tool for C/C++ code. It checks for memory leaks, mismatching allocation-deallocation, buffer overrun, and many more. Source code.

IrfanView PlugIns - IrfanView FlashPix PlugIn (fpx). Caution: The PlugIn contained in IrfanView PlugIns version 4.33 seems vulnerable. So install manually this patched version!

IrfanView PlugIns - IrfanView FlashPix PlugIn (fpx). Caution: The PlugIn contained in IrfanView PlugIns version 4.33 seems vulnerable. So install manually this patched version!

TeX Live is an easy way to get up and running with the TeX document production system. Network-based installer package for Windows.

Git is a distributed version control system designed to handle everything from small to very large projects (like the Linux kernel) with speed and efficiency. Full installer for Git for Windows (Featured Beta).

Notepad++ is a free source code editor and Notepad replacement that supports several computer languages (source code)

Notepad++ is a free source code editor and Notepad replacement that supports several computer languages (binary)

Notepad++ is a free source code editor and Notepad replacement that supports several computer languages (installer)

Notepad++ is a free source code editor and Notepad replacement that supports several computer languages (binary)

MySQL Workbench is an extensible visual database modeling tool for MySQL. You can use it to design and create new database schemas, document existing databases and even perform complex migrations to MySQL. Windows Installer (x86).

Texmaker is a cross-platform LaTeX editor that integrates many tools needed to develop documents with LaTeX, in just one application. Portable version for Windows XP, Vista and 7 (works also on Windows 7 64 bits).

Texmaker is a cross-platform LaTeX editor that integrates many tools needed to develop documents with LaTeX, in just one application. Executable file for Windows XP, Vista and 7 (works also on Windows 7 64 bits).

ParaView is a scientific visualization application for large data sets (Windows installer; stable version).

ParaView is a scientific visualization application for large data sets (stable version).

ParaView is a scientific visualization application for large data sets (Windows installer; stable version).

ParaView is a scientific visualization application for large data sets (stable version).

ParaView is a scientific visualization application for large data sets (sources).

Q-Dir (v4.86) - a fast files and folder manager with a Quadro-View technique (you don't have to renounce the usual, Drag and Drop, all Views, and other functions of your system).

Q-Dir (v4.86) - a fast files and folder manager with a Quadro-View technique (you don't have to renounce the usual, Drag and Drop, all Views, and other functions of your system).

Q-Dir (v4.86) - a fast files and folder manager with a Quadro-View technique (you don't have to renounce the usual, Drag and Drop, all Views, and other functions of your system).

The ROOT system - an OO framework for large scale scientific data analysis and data mining (production version; installer package for Windows 7/Vista/XP/NT/2000 with VC++ 10).

The ROOT system - an OO framework for large scale scientific data analysis and data mining (production version; tar file for Windows 7/Vista/XP/NT/2000 with VC++ 10).

The ROOT system - an OO framework for large scale scientific data analysis and data mining (production version; installer package for Windows 7/Vista/XP/NT/2000 with VC++ 9).

The ROOT system - an OO framework for large scale scientific data analysis and data mining (production version; tar file for Windows 7/Vista/XP/NT/2000 with VC++ 9).

Open MPI - A High Performance Message Passing Library. Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. "Feature release" series (32 bit).

Open MPI - A High Performance Message Passing Library. Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. "Feature release" series (64 bit).

IrfanView is a fast image viewer/converter for Windows 9x/ME/NT/2000/XP/2003/Vista/7.

IrfanView is a fast image viewer/converter for Windows 9x/ME/NT/2000/XP/2003/Vista/7 (German version).

IrfanView is a fast image viewer/converter for Windows 9x/ME/NT/2000/XP/2003/Vista/7 (German version).

IrfanView is a fast image viewer/converter for Windows 9x/ME/NT/2000/XP/2003/Vista/7.

Bazaar is a decentralized version control system that helps you track project history over time and to collaborate easily with others (GNU project, written in Python). Windows Standalone Installer.

IrfanView PlugIns Note: A normal IrfanView version includes the following (most important) PlugIns: Effects, Paint, Ansi2Unicode, Icons, Slideshow-EXE, RegionCapture, Video. Caution: IrfanView FlashPix PlugIn (fpx) of 4.33 seems vulnerable. Install manually the patched irfanview_plugin_fpx.exe or irfanview_plugin_fpx.zip!

IrfanView PlugIns Note: A normal IrfanView version includes the following (most important) PlugIns: Effects, Paint, Ansi2Unicode, Icons, Slideshow-EXE, RegionCapture, Video. Caution: IrfanView FlashPix PlugIn (fpx) of 4.33 seems vulnerable. Install manually the patched irfanview_plugin_fpx.exe or irfanview_plugin_fpx.zip!

Exportizer is database export tool which allows to export data to file, clipboard, or printer. It can convert DB, DBF, text, CSV to text, CSV, XLS, RTF, XML, HTML, DBF, INSERT statements. There exists also a shareware Pro version.

PDFCreator creates PDFs from any Windows program (use it like a printer).

PDFCreator creates PDFs from any Windows program (use it like a printer). Source code.

Inkscape is a Scalable Vector Graphics editor - a powerful drawing tool using the W3C standard Scalable Vector Graphics (SVG) file format. Windows installer.

ClamWin is a Free Antivirus program for Microsoft Windows 7/Vista/XP/Me/2000/98 and Windows Server 2008 and 2003 (only for manually but not for an on-access real-time scanning; based on Unix ClamAV).

CutePDF Writer create PDF documents on the fly (installs itself as a "printer subsystem"; required PS2PDF Ghostscript 8.15 converter included).

CutePDF Writer create PDF documents on the fly (installs itself as a "printer subsystem"; requires PS2PDF converter such as Ghostscript).

VLC (VideoLAN Client) is a multimedia player for various audio and video formats (MPEG-1/2/4, DivX, MP3, Vorbis, Ogg, ...) as well as DVDs, VCDs, and various streaming protocols (for Windows 2000 (SP4+UR1), XP, Vista and 7). Source code.

VLC (VideoLAN Client) is a multimedia player for various audio and video formats (MPEG-1/2/4, DivX, MP3, Vorbis, Ogg, ...) as well as DVDs, VCDs, and various streaming protocols (for Windows 2000 (SP4+UR1), XP, Vista and 7). Zip package (no installer needed).

VLC (VideoLAN Client) is a multimedia player for various audio and video formats (MPEG-1/2/4, DivX, MP3, Vorbis, Ogg, ...) as well as DVDs, VCDs, and various streaming protocols (for Windows 2000 (SP4+UR1), XP, Vista and 7). Exe Installer package.

TAU (Tuning and Analysis Utilities) is a portable profiling and tracing toolkit for performance analysis of parallel programs written in Fortran, C++, C, Java and Python (Windows binary).

Clam AntiVirus is an anti-virus toolkit (based on Unix ClamAV) designed especially for e-mail scanning on mail servers. 32-bit.

Clam AntiVirus is an anti-virus toolkit (based on Unix ClamAV) designed especially for e-mail scanning on mail servers. 64-bit.

TAU (Tuning and Analysis Utilities) is a portable profiling and tracing toolkit for performance analysis of parallel programs written in Fortran, C++, C, Java and Python (source code).

CDF (Common Data Format) is a self-describing data format for the storage and manipulation of scalar and multidimensional data in a platform- and discipline-independent fashion. This self-installation file contains everything CDF offers, except for the CDF Perl APIs. For Windows NT/2000/XP/Vista (32-bit systems).

CDF (Common Data Format) is a self-describing data format for the storage and manipulation of scalar and multidimensional data in a platform- and discipline-independent fashion. This self-installation file contains everything CDF offers, except for the CDF Perl APIs. For Windows NT/2000/XP/Vista (only 64-bit systems).

Gnuplot is a command-line driven interactive function plotting utility (2D/3D). Windows binary (no installer).

Gnuplot is a command-line driven interactive function plotting utility (2D/3D). Windows binary installer.

XnView is software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages (free only for private non-commercial, educational use and non-profit organizations). Zip file (multi-language; complete version: some Plugins/Addons & NConvert, ShellEx, Media Detector).

XnView is software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages (free only for private non-commercial, educational use and non-profit organizations). Setup file (multi-language; complete version: some Plugins/Addons & NConvert, ShellEx, Media Detector).

XnView is software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages (free only for private non-commercial, educational use and non-profit organizations). Zip file (multi-language; standard version).

XnView is software to view, organise, convert graphics and photos files or to create slide show, contact sheet, HTML pages (free only for private non-commercial, educational use and non-profit organizations). Setup file (multi-language; standard version).

Gnuplot is a command-line driven interactive function plotting utility (documentation; PDF format).

Apache Subversion is a version control system (CVS replacement). Subversion Windows installer.

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab. All the mingw binaries and libraries required for a complete octave installation (excluding octaveforge packages).

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab. Additional binaries and libraries for a set of octaveforge packages.

Scala is a general purpose programming language designed to express common programming patterns in a concise, elegant, and type-safe way. It smoothly integrates features of object-oriented and functional languages, enabling Java and other programmers to be more productive.

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab. Pre-compiled version for Microsoft Visual Studio 2010.

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab. Pre-compiled version for Microsoft Visual Studio 2008.

CPU-Z gathers information on some of the main devices of your system (CPU, mainboard, memory, ...).

CPU-Z gathers information on some of the main devices of your system (CPU, mainboard, memory, ...).

CPU-Z gathers information on some of the main devices of your system (CPU, mainboard, memory, ...).

Tera Term Pro is a software terminal emulator (communication program) which supports for e.g. serial port and TCP/IP (telnet, SSH1, SSH2) connections, different emulations and UTF-8 character encoding.

Tera Term Pro is a software terminal emulator (communication program) which supports for e.g. serial port and TCP/IP (telnet, SSH1, SSH2) connections, different emulations and UTF-8 character encoding.

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation.

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation (without a Java runtime environment (JRE)).

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation.

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation (without a Java runtime environment (JRE)).

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation (without a Java runtime environment (JRE)).

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). "Eclipse Classic": Eclipse Platform, Java Development Tools, and Plug-in Development Environment, including source and both user and programmer documentation (without a Java runtime environment (JRE)).

SOFA ("Statistics Open For All") is a statistics, analysis, & reporting program.

Dia is a diagram creation program (for entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and simple circuits). Win32 installer.

Eclipse - an extensible development platform, runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle (a Java IDE and much more ...). Example Plug-ins.

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab - source code

Linphone is an internet phone or Voice Over IP phone (VoIP) using the IETF protocols SIP (Session Initiation Protocol) and RTP (Realtime Transport Protocol).

Password Safe is a password manager allowing a user to remember only one password (the "master passsword") instead of all the used username/password combinations.

Password Safe is a password manager allowing a user to remember only one password (the "master passsword") instead of all the used username/password combinations.

Password Safe is a password manager allowing a user to remember only one password (the "master passsword") instead of all the used username/password combinations.

WinZip Wizard compression utility. 45-day Evaluation Version (German version).

WinZip Wizard compression utility. 45-day Evaluation Version (32-bit MSI; German version).

WinZip Wizard compression utility. 45-day Evaluation Version (64-bit MSI; German version).

Quantum GIS (QGIS) is a cross-platform Geographic Information System (GIS) that supports vector, raster, and database formats. Standalone Installer (including GRASS).

Inkscape is a Scalable Vector Graphics editor - a powerful drawing tool using the W3C standard Scalable Vector Graphics (SVG) file format. Source code.

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell). Installation package.

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell), Source code.

WinSCP - SFTP (SSH File Transfer Protocol), SCP (Secure CoPy) and FTP(S) client for Windows using SSH (Secure SHell). Portable executable.

ParaView - is a scientific data analysis and visualization application for large data sets. Users Guide (PDF format).

GIMP - The GNU Image Manipulation Program. "Unofficial" installer for Windows XP SP2 or later.

TrueCrypt - on-the-fly disk encryption software (source code)

TrueCrypt - on-the-fly disk encryption software (Windows 7/Vista/XP/2000)

ClamAVi for Windows is designed to provide the (original Unix/Linux) ClamAV community with a Windows Anti-Virus (AV) solution (including now On Access scanning and Removal).

Git is a distributed version control system designed to handle everything from small to very large projects (like the Linux kernel) with speed and efficiency. Portable application for Git for Windows (Beta Featured).

GnuPG (GNU's tool for secure communication and data storage) for MS-Windows.

Maxima is a Lisp based computer algebra system (doing mathematics calculations, symbolic manipulations, numerical computations and graphics) - a self-contained installer program (Windows 32-bit).

TightVNC Remote Control / Remote Desktop Software - Java Viewer. Source code.

TightVNC Remote Control / Remote Desktop Software - Java Viewer. Binary (JAR).

Songbird is an open-source customizable Web music/media player (for Windows XP/Vista)

MatheGrafix is a program for drawing, presentation and printing graphs of functions and geometric objects. Setup file.

MatheGrafix is a program for drawing, presentation and printing graphs of functions and geometric objects. Portable version (consisting of only one single file).

UNICORE 6 standalone Rich Client, based on Eclipse (prerequisites: Sun Java 5 or 6 JRE or SDK).

WinZip Wizard compression utility. 45-day Evaluation Version (English version). WinZip Wizard compression utility. 45-day Evaluation Version (32-bit MSI; English version).

WinZip Wizard compression utility. 45-day Evaluation Version (English version). WinZip Wizard compression utility. 45-day Evaluation Version (64-bit MSI; English version).

WinZip Wizard compression utility. 45-day Evaluation Version (English version).

FileZilla is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive graphical interface (for Windows XP, Vista and Windows 7 both 32 and 64 bit; also for Linux available).

FileZilla is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive graphical interface (for Windows XP, Vista and Windows 7 both 32 and 64 bit; also for Linux available).

Free Pascal (aka FPK Pascal) is a 32 bit and 64 bit Pascal compiler for different platforms (source code available). The language syntax is semanticly compatible with TP 7.0, some extensions used by Delphi (classes, rtti, exceptions, ansistrings, widestrings, interfaces) are also supported.

Free Pascal (aka FPK Pascal) is a 32 bit and 64 bit Pascal compiler for different platforms (source code available). The language syntax is semanticly compatible with TP 7.0, some extensions used by Delphi (classes, rtti, exceptions, ansistrings, widestrings, interfaces) are also supported.

FDM (Free Download Manager) is a download accelerator and manager for HTTP, FTP, and BitTorrent.

Periodic Table Explorer contains all the elements of the Periodic Table along with images of the elements in their natural state, as well as lots of other information and interactive displays. Windows installer.

Periodic Table Explorer contains all the elements of the Periodic Table along with images of the elements in their natural state, as well as lots of other information and interactive displays.

VirtualDub is a video capture/processing utility (experimental, 64-bit(x64) version).

VirtualDub is a video capture/processing utility (experimental, 32-bit(x86) version).

Octave is a high-level language for linear and nonlinear numerical computations mostly compatible with Matlab. Windows installer (old release 3.4.3).

Calendarscope - a Calendar software providing Mobile Time Management (for Windows 95/98/ME/NT4/2000/XP/2003/Vista) - shareware (free 30-day trail version).

uDig ("User-friendly Desktop Internet GIS") is a desktop application framework for GIS data access, editing, and viewing, built with Eclipse Rich Client (RCP) technology. Windows x86 32-bit.

uDig ("User-friendly Desktop Internet GIS") is a desktop application framework for GIS data access, editing, and viewing, built with Eclipse Rich Client (RCP) technology. Windows x86 32-bit installer.

uDig ("User-friendly Desktop Internet GIS") is a desktop application framework for GIS data access, editing, and viewing, built with Eclipse Rich Client (RCP) technology. Windows x86 64-bit.

uDig ("User-friendly Desktop Internet GIS") is a desktop application framework for GIS data access, editing, and viewing, built with Eclipse Rich Client (RCP) technology. Windows x86 64-bit installer.

Cyberduck is a FTP, SFTP, WebDAV, Amazon S3, Google Cloud Storage, Windows Azure, Rackspace Cloud Files and even Google Docs browser/client.

PuTTY is a free implementation of Telnet and SSH for Windows (and Unix), along with an xterm terminal emulator. Windows installer for everything except PuTTYtel.

PuTTY is a free implementation of Telnet and SSH for Windows (and Unix), along with an xterm terminal emulator. Documentation.

PuTTY is a free implementation of Telnet and SSH for Windows (and Unix), along with an xterm terminal emulator. Documentation (HTML-format).

PuTTY is a free implementation of Telnet and SSH for Windows (and Unix), along with an xterm terminal emulator.

PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator. Source code.

PuTTY is a free implementation of Telnet and SSH for Windows (and Unix), along with an xterm terminal emulator. All binaries except PuTTYtel (PuTTY itself + SCP-client, SFTP-client, SSH authentication agent, ...)

Winamp Media Player (audio, video ...) - German version

Winamp Media Player (audio, video ...) - English version

TAU (Tuning and Analysis Utilities) is a portable profiling and tracing toolkit for performance analysis of parallel programs written in Fortran, C++, C, Java and Python (user's guide; PDF)

FEniCS Project is a collection of free software aimed at automated, efficient solution of differential equations. Windows installer.

FEniCS Project is a collection of free software aimed at automated, efficient solution of differential equations. Sources for Windows.

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing (similar to MATLAB and GNU Octave). It provides visualization, image manipulation, and plotting as well as parallel programming.

PSPad is a Windows programmer's editor (syntax highlighting, text formatting, extension capabilities and more).

Recuva recovers files deleted from your Windows computer, Recycle Bin, digital camera card, or MP3 player. Recuva is a recovery tool for accidentally deleted files. Hint: Besides this "Free" version ther are also a "Home" and a "Business" version available.

Artistic Style is a source code indenter, formatter, and beautifier for the C, C++, C# and Java programming languages.

Code Browser is a folding and outlining text editor (Windows binaries without installer).

Code Browser is a folding and outlining text editor (Windows Installer).

MyQuery is a MySQL Script and Query tool (documentation; PDF)

MyQuery is a MySQL Script and Query tool (beta version; installer) MyQuery is a MySQL Script and Query tool (beta version; source code)

MyQuery is a MySQL Script and Query tool (beta version; source code)

AbiWord is a free word processing program. It is suitable for typing papers, letters, reports, memos, and so forth.

Quick Checksum Verifier checks file integrity by secure time proven algorithms like MD5 and SHA-1 (simply by drag and drop). 64-Bit.

Quick Checksum Verifier checks file integrity by secure time proven algorithms like MD5 and SHA-1 (simply by drag and drop). 32-Bit.

uncrustify is a configurable source code beautifier for C, C++, C#, ObjectiveC, D, Java, Pawn and VALA (source code).

uncrustify is a configurable source code beautifier for C, C++, C#, ObjectiveC, D, Java, Pawn and VALA (Windows i386 binary).

SSVNC is an x11vnc side-project that provides an Enhanced TightVNC Viewer with automatic SSL/SSH tunnelling support, SSL Certificate creation, saved connection profiles, and built-in Proxy support.

MPICH2 - an all-new implementation of MPI (Message Passing Interface) that is intended to support research into the implementation of both MPI-1 and MPI-2 (Win IA32 binary)

MPICH2 - an all-new implementation of MPI (Message Passing Interface) that is intended to support research into the implementation of both MPI-1 and MPI-2 (Win EM64T/AMD64 binary)

pstoedit translates PostScript and PDF graphics into other vector formats. 64-bit binary.

pstoedit translates PostScript and PDF graphics into other vector formats. 32-bit binary.

x3270 is an IBM 3270 terminal emulator for Windows (and the X Window System) running over a TELNET connection, emulating either an IBM 3279 (color) or 3278 (monochrome).

x3270 is an IBM 3270 terminal emulator for Windows (and the X Window System) running over a TELNET connection, emulating either an IBM 3279 (color) or 3278 (monochrome).

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting. Development version.

Inkscape is a Scalable Vector Graphics editor - a powerful drawing tool using the W3C standard Scalable Vector Graphics (SVG) file format. Binary distribution.

Inkscape is a Scalable Vector Graphics editor - a powerful drawing tool using the W3C standard Scalable Vector Graphics (SVG) file format. Windows installer.

TightVNC Remote Control / Remote Desktop Software - Server. Source code.

TightVNC is an enhanced version of VNC (Virtual Network Computing), allowing remote network access to graphical desktops (self-installing package). For Windows 2000 Professional, 2000 Server; XP, 2003 Server; Vista, 2008 Server; 7, 2008 Server R2. Performance may be notably lower in 64-bit versions of Windows.

TeX Live provides a comprehensive TeX system including all the major TeX-related programs, macro packages, and fonts that are free software. Windows sources.

Scilab is a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications. Iinstaller for Windows 2000/XP/VISTA/7.

Scilab is a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications. Iinstaller for Windows 2000/XP/VISTA/7.

Scilab is a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications. Source code.

FastStone Image Viewer is an image browser, converter and editor (free for personal and educational use).

UltraVNC - remote control software to access distant computers. Full installer win32.

UltraVNC - remote control software to access distant computers. Source code.

UltraVNC - remote control software to access distant computers. Full installer X64.

Fityk is a general-purpose nonlinear curve-fitting and data analysis program. It allows data visualization, separation of overlapping peaks, background subtraction, data calibration and much more (hint: binaries of newer releasess are available only for fityk subscribers). Installer for Windows.

Celestia is an OpenGL-based 3D space simulation that lets you travel through the solar system, to the stars, and even beyond the galaxy.

TightVNC Remote Control / Remote Desktop Software - Viewer. Source code.

FastStone Photo Resizer is an image converter and renaming tool (free for personal and educational use).

7-Zip is a free file archiver with the supported formats 7z, ZIP, GZIP, BZIP2 and TAR and (unpacking only) ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z. Windows Installer for 64-bit Windows.

7-Zip is a file archiver with the supported formats 7z, ZIP, GZIP, BZIP2 and TAR and (unpacking only) ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z. Source code.

7-Zip is a free file archiver with the supported formats 7z, ZIP, GZIP, BZIP2 and TAR and (unpacking only) ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.

7-Zip is a free file archiver with the supported formats 7z, ZIP, GZIP, BZIP2 and TAR and (unpacking only) ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z. Windows Installer.

Gpg4win (GNU Privacy Guard for Windows) a secure solution for file and email encryption.

NcFTP is a set of application (client) programs implementing FTP (File Transfer Protocol).

Code::Blocks is an cross platform C++ IDE designed to be very extensible and fully configurable. Installer for Windows 2000/XP/Vista/7 (includes the GCC compiler and GDB debugger from MinGW).

Code::Blocks is an cross platform C++ IDE designed to be very extensible and fully configurable. Installer for Windows 2000/XP/Vista/7.

VirtualDub is a video capture/processing utility (for x64 Extended version of Windows).

VirtualDub is a video capture/processing utility.

PlanMaker Viewer 2010 is a document viewer for common spreadsheet formats (Microsoft Excel, PlanMaker) and more.

TextMaker Viewer 2010 is a document viewer for common word processing formats (Microsoft Word, TextMaker, OpenDocument) and more.

WinMerge is a visual text file differencing and merging tool (source code).

WinMerge is a visual text file differencing and merging tool (installer version; development version).

MicroPlanet Gravity is an online/offline Usenet news client with an extensive feature list including Rules, Scoring, and Filters.

MicroPlanet Gravity is an online/offline Usenet news client with an extensive feature list including Rules, Scoring, and Filters. Source code.

Vim (Vi IMproved) editor (vi clone) - GUI complete self-installing package (you must also get the V7.3 runtime files vim73rt.zip)

Vim (Vi IMproved) editor (vi clone) - GUI bin with OLE and VisVim (you must also get the V7.3 runtime files vim73rt.zip)

Vim (Vi IMproved) editor (vi clone) - GUI binaries for Windows 95/NT and later (you must also get the V7.3 runtime files vim73rt.zip)

Vim (Vi IMproved) editor (vi clone) - binaries for Windows NT/XP console

Vim (Vi IMproved) editor (vi clone) - runtime files

Vim (Vi IMproved) editor (vi clone) - source code

vile is a text editor similar to Unix "vi", with extended capabilities in many areas, including: multi-file editing and viewing, mouse support, infinite undo, additional operators, rectangular operations.

vile is a text editor similar to Unix "vi", with extended capabilities in many areas, including: multi-file editing and viewing, mouse support, infinite undo, additional operators, rectangular operations (Windows installer; with Unicode support).

Extrema is a visualization and data analysis tool for researchers

Extrema is a visualization and data analysis tool for researchers

namebench is a DNS benchmark utility.

Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME using both the H.323 and SIP protocols. It is interoperable with other SIP compliant software (also with Microsoft NetMeeting).

SAOImage DS9 is an astronomical imaging and data visualization application that supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps (Windows 7/Vista/XP).

MS Powerpoint Viewer lets you view full-featured presentations created in PowerPoint 97 and later versions.

MS Visio 2010 Viewer allows to view Visio drawings and diagrams (created with Visio 5.0 through Visio 2010) inside the MSIE browser.

out-dated or old archives

Info-ZIP - portable extraction utility for archives compressed in .zip format (UnZip 6.0, 32-bit(i386) Windows DLL and docs).

Info-ZIP - portable extraction utility for archives compressed in .zip format (UnZip 6.0, 32-bit(i386) Windows Intel exes/docs).

Info-ZIP - portable compression/archiver utilities (Zip 3.0), MS Windows 32-bit x86 binaries and docs.

Info-ZIP - portable compression/archiver utilities (Zip 3.0), MS Windows 64-bit x64 binaries and docs.

MySQL Workbench is an extensible visual database modeling tool for MySQL. You can use it to design and create new database schemas, document existing databases and even perform complex migrations to MySQL. Source code with required Windows dependencies (Visual Studio 2005 SP1 Standard Edition is required for building) - beta version.

FileFormatConverters is Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint File Formats (open, edit, and save documents, workbooks, and presentations in the file formats new to Microsoft Office Word, Excel, and PowerPoint).

Framewave is a collection of popular image and signal processing routines designed to accelerate application development, debugging, and optimization on x86-class processor platforms (derived from the AMD Performance Library; source code).

Framewave is a collection of popular image and signal processing routines designed to accelerate application development, debugging, and optimization on x86-class processor platforms (derived from the AMD Performance Library; Windows 32-bit libraries).

Framewave is a collection of popular image and signal processing routines designed to accelerate application development, debugging, and optimization on x86-class processor platforms (derived from the AMD Performance Library; Windows 64-bit libraries).

WinMerge is a visual text file differencing and merging tool (soure code; development version).

WinMerge is a visual text file differencing and merging tool (installer version).

Chandler is a Note-to-Self Organizer. It features calendaring, task and note management and consists of a desktop application, web application and a free sharing and back-up service called Chandler Hub. Windows installer.

Chandler is a Note-to-Self Organizer. It features calendaring, task and note management and consists of a desktop application, web application and a free sharing and back-up service called Chandler Hub. Source code.

TightVNC is an enhanced version of VNC (Virtual Network Computing), allowing remote network access to graphical desktops (source code). For Windows 95/98/ME, Windows NT 4.0, or in Unix-like systems (including Linux).

TightVNC is an enhanced version of VNC (Virtual Network Computing), allowing remote network access to graphical desktops (self-installing package). For Windows 95/98/ME, Windows NT 4.0, or in Unix-like systems (including Linux).

TightVNC is an enhanced version of VNC (Virtual Network Computing), allowing remote network access to graphical desktops (Viewer executable, does not require installation). For Windows 95/98/ME, Windows NT 4.0, or in Unix-like systems (including Linux).

Spybot - Search & Destroy an application to scan for spyware, adware, hijackers and other malicious software (free only for non-commercial use).

RealVNC (Virtual Network Computing) - Free Edition for Windows - cross-platform remote control between Windows and Unix/Linux computers (full source code to both Viewer and Server for Windows). Hint: Newer commercial version available.

RealVNC (Virtual Network Computing) Free Edition for Windows - cross-platform remote control between Windows and Unix/Linux computers (Installer including both Server and Viewer). Hint: Newer commercial version available.

RealVNC (Virtual Network Computing) - Free Edition for Windows - cross-platform remote control between Windows and Unix/Linux computers (stand-alone Viewer only). Hint: Newer commercial version available.

Wink is a Tutorial and Presentation creation software, primarily aimed at creating "flash" tutorials on how to use software. Wink can capture screenshots, add explanations boxes, buttons, titles etc and generate a highly effective tutorial for your users.

TUGZip is an archiving utility that provides support for a wide range of compressed, encoded and disc-image files (with Windows Explorer integration).

MS Excel Viewer lets you open, view, and print Excel workbooks, even if you don't have Excel installed.

MS Word Viewer let you view, print and copy Word documents, even if you don't have Word installed.

libmng is the reference library for MNG, the animation extension to the popular PNG format.

MySQL Control Center is a platform-independent GUI administration client, based on the QT toolkit.

NASA World Wind lets you zoom from satellite altitude into any place on Earth (Windows 2000 or XP; 3D graphics card and fast internet connection required).

NASA World Wind lets you zoom from satellite altitude into any place on Earth (Windows 2000 or XP; 3D graphics card and fast internet connection required). World Wind lets you zoom from satellite altitude into any place on Earth (Windows 2000 or XP; 3D graphics card and fast internet connection required; source code)-

ODC (OPeNDAP Data Connector) allows to search for and retrieve datasets published by OPeNDAP data servers (for e.g. climatic data, satellite imagery, and ocean sensor results) - self-extracting exe including Java runtime.

CVS (Concurrent Versions System) is a version control system designed for software projects. Windows sources (feature release).

CVS (Concurrent Versions System) is a version control system designed for software projects. Windows x86 binary (stable release).

CVS (Concurrent Versions System) is a version control system designed for software projects. Windows x86 binary (feature release).

Explore2fs is a Windows program that provides read support for Linux ext2 amd ext3 filesystems.

Info-ZIP - WiZ GUI (Zip and UnZip), NT/9x Intel exe/DLL/docs.

ftnchek is a Fortran 77 program checker (detecting unused, uninitialized, and undeclared variables) - binary executable for MS-Windows 95/98/NT

sha1sum calculates and verifies SHA-1 hashes (to verify the integrity of files).

md5 is a command line utility which generates and verifies MD5 message digests (digital signatures).

md5sum calculates and verifies MD5 hashes (to verify the integrity of files).