FlightGear Launch Control (FGRun) is a graphical frontend for running the FlightGear Flight Simulator (fgfs).

Pandoc is a Haskell library for converting from one markup format to another, and a command-line tool that uses this library. The formats it can handle include * light markup formats (many variants of Markdown, reStructuredText, AsciiDoc, Org-mode, Muse, Textile, txt2tags) * HTML formats (HTML 4 and 5) * Ebook formats (EPUB v2 and v3, FB2) * Documentation formats (GNU TexInfo, Haddock) * Roff formats (man, ms) * TeX formats (LaTeX, ConTeXt) * Typst * XML formats (DocBook 4 and 5, JATS, TEI Simple, OpenDocument) * Outline formats (OPML) * Bibliography formats (BibTeX, BibLaTeX, CSL JSON, CSL YAML, RIS) * Word processor formats (Docx, RTF, ODT) * Interactive notebook formats (Jupyter notebook ipynb) * Page layout formats (InDesign ICML) * Wiki markup formats (MediaWiki, DokuWiki, TikiWiki, TWiki, Vimwiki, XWiki, ZimWiki, Jira wiki, Creole) * Slide show formats (LaTeX Beamer, PowerPoint, Slidy, reveal.js, Slideous, S5, DZSlides) * Data formats (CSV and TSV tables) * PDF (via external programs such as pdflatex or wkhtmltopdf)

Relational is primarily a tool to provide a workspace for experimenting with relational algebra, an offshoot of first-order logic.

WordNet(C) is an on-line lexical reference system whose design is inspired by current psycholinguistic theories of human lexical memory. English nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept. Different relations link the synonym sets.

fprint-demo is a simple GTK+ application to demonstrate and test libfprint's capabilities

rtorrent is a BitTorrent client based on LibTorrent. It uses ncurses and aims to be a lean, yet powerful BitTorrent client, with features similar to the most complex graphical clients.