Solr is an open source enterprise search server based on the Lucene Java search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search, caching, replication, and a web administration interface. It typically runs in a Java servlet container such as Tomcat....

php.js is an open source project in which we try to port PHP functions to JavaScript. By including the php.js library in your own projects, you can use your favorite PHP functions client-side.

No server component required.

Kubuntu is a a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.

Kumbia PHP Framework is a full-stack MVC framework written in PHP for developing database-backed web applications according to the Model-View-Control pattern and other patterns as ActiveRecord and TemplateView. Optimized for PHP programmer productivity.

Pitivi is a video editor, built upon the GStreamer multimedia framework, GNonLin and GStreamer Editing Services. It aims to be an intuitive and flexible application that can appeal to newbies and professionals alike.

Note about our code estimates: unlike most other projects, we specifically disallow Ohloh from including the user manual, docs, translations and .ui files (generated by Glade) from being counted in the statistics (that would be cheating, and it would make it seem like Pitivi is mostly written in XML!)...

GDAL is a translator library for raster geospatial data formats. The related OGR library (which lives within the GDAL source tree) provides a similar capability for simple features vector data.

Freeciv is a free turn-based multiplayer strategy game, in which each player becomes the leader of a civilization, fighting to obtain the ultimate goal:

To become the greatest civilization.

SLIME is a new Emacs mode for Common Lisp development. Inspired by existing systems such Emacs Lisp and ILISP, we are working to create a fresh new environment for hacking Common Lisp in.

SLIME extends Emacs with new support for interactive programming in Common Lisp. The features are centered around slime-mode, an Emacs minor-mode that complements the standard lisp-mode. While lisp-mode supports editing Lisp source files, slime-mode adds support for interacting with a running Common Lisp process for compilation, debugging, documentation lookup, and so on. ...

Test-Simple contains Test::More, the most popular testing module for Perl, as well as Test::Builder which is the most popular module for writing more testing modules. It also contains Test::Simple, the simplest possible testing module.

Test-Simple makes use of TAP (the Test Anything Protocol)....

Joomla! is one of the most powerful Open Source Content Management Systems on the planet. It is used all over the world for everything from simple websites to complex corporate applications. Joomla! is easy to install, simple to manage, and reliable..