openslides  3.0
About: OpenSlides is a web based presentation and assembly system for managing and projecting agenda, motions and elections of an assembly.
  Fossies Dox: openslides-3.0.tar.gz  ("inofficial" and yet experimental doxygen-generated source code documentation)  

openslides Documentation

Some Fossies usage hints in advance:

  1. To see the Doxygen generated documentation please click on one of the items in the steelblue colored "quick index" bar above or use the side panel at the left which displays a hierarchical tree-like index structure and is adjustable in width.
  2. If you want to search for something by keyword rather than browse for it you can use the client side search facility (using Javascript and DHTML) that provides live searching, i.e. the search results are presented and adapted as you type in the Search input field at the top right.
  3. Doxygen doesn't incorporate all member files but just a definable subset (basically the main project source code files that are written in a supported language). So to search and browse all member files you may visit the Fossies
  4. openslides-3.0.tar.gz contents page and use the Fossies standard member browsing features (also with source code highlighting and additionally with optional code folding).


What is OpenSlides?

OpenSlides is a free, web based presentation and assembly system for managing and projecting agenda, motions and elections of an assembly. See for more information.


The OpenSlides server runs everywhere where Python is running (for example on GNU/Linux, Mac or Windows). For the OpenSlides client a current web browser is required.

1. Installation on GNU/Linux or Mac OS X

a. Check requirements

Make sure that you have installed Python (>= 3.6) on your system.

Additional you need build-essential packages, header files and a static library for Python and also the pyvenv-3 binary package for python3.

E.g. run on Debian/Ubuntu:

$ sudo apt-get install build-essential python3-dev python3-venv

b. Setup a virtual Python environment (optional)

You can setup a virtual Python environment using the virtual environment (venv) package for Python to install OpenSlides as non-root user.

Create your OpenSlides directory and change to it:

$ mkdir OpenSlides
$ cd OpenSlides

Setup and activate the virtual environment:

$ python3 -m venv .virtualenv
$ source .virtualenv/bin/activate
$ pip install --upgrade setuptools pip

c. Install OpenSlides

To install OpenSlides just run:

$ pip install openslides

This installs the latest stable version. To install a specific (beta) version use openslides==x.y.

You can also use the package from the OpenSlides website. Download latest OpenSlides release as compressed tar archive and run:

$ pip install openslides-x.y.tar.gz

This will install all required Python packages (see requirements/production.txt).

d. Start OpenSlides

To start OpenSlides simply run:

$ openslides

If you run this command the first time, a new database and the admin account (Username: admin, Password: admin) will be created. Please change the password after first login!

OpenSlides will start a webserver. It will also try to open the webinterface in your default webbrowser. The server will try to listen on the local ip address on port 8000. That means that the server will be available to everyone on your local network (at least for commonly used network configurations).

If you use a virtual environment (see step b.), do not forget to activate the environment before restart after you closed the terminal:

$ source .virtualenv/bin/activate

To get help on the command line options run:

$ openslides --help

You can store settings, database and other personal files in a local subdirectory and use these files e. g. if you want to run multiple instances of OpenSlides:

$ openslides start --local-installation

2. Installation on Windows

Follow the instructions above (1. Installation on GNU/Linux or Mac OS X) but care of the following variations.

To get Python download and run the latest Python 3.7 32-bit (x86) executable installer. Note that the 32-bit installer is required even on a 64-bit Windows system. If you use the 64-bit installer, step 1c of the instruction might fail unless you installed some packages manually.

In some cases you have to install MS Visual C++ 2015 build tools before you install the required python packages for OpenSlides (unfortunately Twisted needs it).

To setup and activate the virtual environment in step 1b use:

> .virtualenv\Scripts\activate.bat

All other commands are the same as for GNU/Linux and Mac OS X.

3. Installation with Docker

The installation instruction for (1) and (2) described a way to use OpenSlides in a 'small mode' with max 10 concurrent clients. To install OpenSlides for big assemblies ('big mode') you have to setup some additional components and configurations.

The easiest way to run the OpenSlides 'big mode' environment (with PostgreSQL, Redis and NGINX) with Docker Compose: use our docker compose suite. Follow the instruction in the openslides-doccker-compose Repository.

To install and configure all components of our 'big mode' manually you can read the big-mode-instruction


Please consider reading the OpenSlides configuration page to find out about all configurations, especially when using OpenSlides for big assemblies.


To setup a development environment for OpenSlides follow the instruction of DEVELOPMENT.rst.

Used software

OpenSlides uses the following projects or parts of them:

  • Several Python packages (see requirements/production.txt and requirements/big_mode.txt).
  • Several JavaScript packages (see client/package.json)

License and authors

OpenSlides is Free/Libre Open Source Software (FLOSS), and distributed under the MIT License, see LICENSE file. The authors of OpenSlides are mentioned in the AUTHORS file.