The following Haskell libraries have been developed to support pandoc:
skylighting-core and skylighting : Syntax highlighting engine supporting over 140 languages.
citeproc : Citation processing using CSL stylesheets.
texmath : Conversion of math between tex, Word equation, MathML, and GNU eqn.
unicode-collation : Proper Unicode collation (sorting).
doclayout : Combinators for laying out a textual document, with support for line wrapping, tabular layout, and more.
doctemplates : Supports pandoc's templates.
commonmark, commonmark-extensions, and commonmark-pandoc : Efficient, standards-compliant parser for commonmark and extensions.
ipynb : Representation of Jupyter notebooks and conversion to and from JSON.
zip-archive : A pure zip file creator and extractor, used by pandoc for docx, ODT, and EPUB.
rfc5051 : Simple unicode collation (used for citation sorting).
emojis : Conversion between emoji characters and aliases.
jira-wiki-markup : Support for parsing Jira wiki syntax.