LilyPond is a music typesetter. It produces beautiful sheet music using a description file as input. LilyPond is part of the GNU Project.

Midori is a lightweight web browser.

• Full integration with GTK+2.
• Fast rendering with WebKit.
• Tabs, windows and session management.
• Flexibly configurable Web Search.
• User scripts and user styles support.
• Straightforward bookmark management.
• Customizable and extensible interface....

Performous is an open-source karaoke, band and dancing game where one or more players perform a song and the game scores their performances.

Performous supports songs in UltraStar, Frets on Fire and StepMania formats. Microphones and instruments from SingStar, Guitar Hero and Rock Band as well as some dance pads are autodetected....

SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

TweetSharp v2 is a fast, clean wrapper around the Twitter API. It uses T4 templates to make adding new endpoints easy. It can also be used as an example of how to write a service-specific API wrapper using Hammock.

vtiger CRM is an enterprise-ready Open Source CRM software mainly for small and medium businesses. vtiger CRM is built over proven, fast, and reliable LAMP/WAMP (Linux/Windows, Apache, MySQL, and PHP) technologies and other open source projects.

The mission of the Apache Portable Runtime (APR) project is to create and maintain software libraries that provide a predictable and consistent interface to underlying platform-specific implementations. The primary goal is to provide an API to which software developers may code and be assured of predictable if not identical behaviour regardless of the platform on which their software is built, relieving them of the need to code special-case conditions to work around or take advantage of platform-specific deficiencies or features....

Swift is a highly available, distributed, eventually consistent object/blob store.

Tryton is a three-tiers high-level general purpose application platform under the license GPL-3 written in Python and use PostgreSQL as database engine.

It is the core base of a complete business solution providing modularity, scalability and security.

Currently, the main modules available for Tryton cover the following fields of activity:...

GNU cpio is an archiver program that handles cpio and tar archives.,