UML modelling tool and code generator

umbrello

UML modelling tool and code generator

Umbrello UML Modeller is a Unified Modelling Language diagram editor for KDE. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.
3D racing game with ponies

pink-pony

3D racing game with ponies

Pink Pony is a TronĀ­-like multiplayer racingĀ­ game. You control little ponies that leave a trail of flowers everywhere they step. You have to evade these trails and force other ponies into them. The last pony standing wins the game.
cross-platform, open-source make system

cmake

cross-platform, open-source make system

CMake is used to control the software compilation process using simple platform and compiler independent configuration files. CMake generates native makefiles and workspaces that can be used in the compiler environment of your choice. CMake is quite sophisticated: it is possible to support complex environments requiring system configuration, pre-processor generation, code generation, and template instantiation.
groupware suite with mail client and organizer

evolution

groupware suite with mail client and organizer

Evolution is a groupware suite which integrates mail, calendar, address book, to-do list and memo tools.
lightweight BitTorrent client (Qt interface)

transmission-qt

lightweight BitTorrent client (Qt interface)

Transmission is a set of lightweight BitTorrent clients (in GUI, CLI and daemon form). All its incarnations feature a very simple, intuitive interface on top on an efficient, cross-platform back-end.
Editor for OpenStreetMap

josm

Editor for OpenStreetMap

JOSM is an editor for OpenStreetMap (OSM) written in Java. The current version supports stand alone GPX tracks, GPX track data from OSM database and existing nodes, line segments and metadata tags from the OSM database.