GNU Aspell is a spell checker designed to eventually replace Ispell. It can either be used as a library or as an independent spell checker. Its main feature is that it does a superior job of suggesting possible replacements for a misspelled word.

MonoDevelop is a GNOME IDE primarily designed for C# and other .NET
languages.,

The SAXON package is a collection of tools for processing XML documents.,

APC is a free, open, and robust framework for caching and optimizing PHP intermediate code.

The Battle for Wesnoth is a turn-based strategy game with a fantasy theme.

Build up a great army, gradually turning raw recruits into hardened veterans. In later games, recall your toughest warriors and form a deadly host against whom none can stand! Choose units from a large pool of specialists, and hand-pick a force with the right strengths to fight well on different terrains against enemies....

Tor is a toolset for a wide range of organizations and people that want to improve their safety and security on the Internet. Using Tor can help you anonymize web browsing and publishing, instant messaging, IRC, SSH, and other applications that use the TCP protocol. Tor also provides a platform on which software developers can build new applications with built-in anonymity, safety, and privacy features....

Totem is a media player for the GNOME desktop environment using GStreamer or xine as a backend. It also includes a browser plugin compatible with Windows Media player targeted websites, and has a plugin system itself, allowing C, Python or Vala plugins to extend Totem and add functionality....

matplotlib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms. matplotlib can be used in python scripts, the python and ipython shells (similar to matlab or mathematica), web application servers, and six graphical user interface toolkits....

Dia is inspired by the commercial Windows program 'Visio', though more geared towards informal diagrams for casual use. It can be used to draw many different kinds of diagrams. It currently has special objects to help draw entity relationship diagrams, UML diagrams, flowcharts, network diagrams, and many other diagrams. It is also possible to add support for new shapes by writing simple XML files, using a subset of SVG to draw the shape....

TortoiseGit is a Git revision control client, implemented as a Microsoft Windows shell extension.

It is a port of TortoiseSVN for Git.