KDE PIM is sub project of KDE. Its goal is to provide an application suite to manage personal information. This includes mail, time, people and more. The main result is KDE Kontact, our personal information manager.

XBMC media center is a free cross-platform media-player jukebox and entertainment hub. XBMC is open source (GPL) software available for Linux, Mac OS X and iOS, Microsoft Windows and Android operating-systems. XBMC can play a very complete spectrum of of multimedia formats, and featuring playlist, audio visualizations, slideshow, and weather forecast functions, together with a multitude of third-party plugins....

Firebird is a relational database offering many ANSI/ISO SQL standard features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production systems, under a variety of names, since 1981....

Code::Blocks is a free, open source, and cross platform IDE. It is being developed in C++ using wxWidgets. Using a plugin architecture, its capabilities and features are defined by the provided plugins.

Code::Blocks is being developed under Windows and Linux. Users have successfully built Code::Blocks under FreeBSD and under Mac OS X....

aria2 is a utility for downloading files. The supported protocols are HTTP, FTP, BitTorrent (DHT, PEX, MSE/PE), and Metalink.
It can download one or more files individually or from multiple sources/protocols at the same time and tries to utilize your maximum download bandwidth (by using multiple threads and downloading data from HTTP/FTP, while also uploading to the BitTorrent swarm)....

This is the NodeJs project: Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices....

gettext is the GNU internationalization (i18n) library. It is commonly used for writing multilingual programs.

Boost was begun by members of the ISO C++ Standard committee Library Working Group to provide free peer-reviewed portable libraries to the C++ community. An additional objective is to establish "existing practice" and provide reference implementations so that the Boost libraries are suitable for eventual standardization....

GNU Libtool hides the complexity of using shared libraries behind a consistent, portable interface. GNU Libtool ships with GNU libltdl, which hides the complexity of loading dynamic runtime libraries (modules) behind a consistent, portable interface.

K3b was created to be a feature-rich and easy to handle CD and DVD burning application for KDE desktop.