TestNG is a testing framework inspired from JUnit and NUnit but introducing some new functionalities that make it more powerful and easier to use, such as:

• JDK 5 Annotations (JDK 1.4 is also supported with JavaDoc annotations).
• Flexible test configuration....

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....

CouchDb is a distributed document database system with bi-directional replication. It makes it simple to build collaborative applications that can be replicated offline by users, with full interactivity (query, add, update, delete), and later "synced up" with everyone else's changes when back online....

Avahi is an Implementation the DNS Service Discovery and Multicast DNS specifications for Zeroconf Computing. It uses D-Bus for communication between user applications and a system daemon. The daemon is used to coordinate application efforts in caching replies, necessary to minimize the traffic imposed on networks....

SpamAssassin is a spam filter that can be used on a wide variety of email systems including procmail, sendmail, Postfix, qmail, and many others.

awesome is a highly configurable, next generation framework window manager for X. It is very fast, light and extensible.

It is primarly targeted at power users, developers and any people dealing with every day computing tasks and want to have fine-grained control on its graphical environment....

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....

HAL merges information from various sources such that desktop applications can locate and use hardware devices. HAL listen to system events and notify interested application of device changes: availability, capabilities, properties...
HAL is a device interface specification and an implementation of this specification....

Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites. It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation, and more.

Now it it's third release, the standard Bootstrap download is responsive by default....

iText ® is a library that contains classes to create and manipulate documents in the Portable Document Format (PDF).