Historically based Real Time Strategy game focusing on the years 500 B.C. to 500 A.D.

In short, it is a war/economy strategy game allowing you to recreate or rewrite the ancient history of western civilisations.

Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users.

Psi+ is a development branch of Psi IM XMPP/Jabber client.

Psi+ Groupchat: psi-dev@conference.jabber.ru

More information, http://psi-dev.googlecode.com/

Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible rendering and a powerful plugin architecture.

Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.

TagLib is a library for reading and editing the meta-data of several popular audio formats. Currently it supports both ID3v1 and ID3v2 for MP3 files, Ogg Vorbis comments and ID3 tags and Vorbis comments in FLAC files as well as MPC.

Open Babel is a chemical toolbox designed to speak the many languages of chemical data. It's an open, collaborative project allowing anyone to search, convert, analyze, or store data from molecular modeling, chemistry, solid-state materials, biochemistry, or related areas....

BibDesk is a graphical BibTeX-bibliography manager for Mac OS X. BibDesk is designed to help organize and use bibliographic databases in BibTeX .bib format. In addition to manual typing, BibDesk lets you drag & drop or cut & paste .bib files into the bibliographic database and automatically opens files downloaded from PubMed. BibDesk also keeps track of electronic copies of literature on your computer and allows for searching your database through several keys....

The Mana World (TMW) is a serious effort to create an innovative free and open source MMORPG. TMW uses 2D graphics and aims to create a large and diverse interactive world. It is licensed under the GPL, making sure this game can't ever run away from you. ...

KDE Plasma Add-ons (was extragear/plasma),

Firestarter is a firewall tool for Linux, and uses GNOME. You can use the wizard to create a basic firewall, then streamline it further using the dynamic rules. You can open and close ports with a few clicks, or stealth your services giving access only to a select few. It features a real-time hit monitor which you can watch as attackers probe your machine for open ports....