WebKit is a web content engine, derived from KHTML and KJS from KDE, and used primarily in Apple's Safari browser. It is made to be embedded in other applications, such as mail readers, or web browsers.

This library provides an API for insertion, removal, configuration and listing of kernel modules.

The ‘Open Free Fiasco Firmware Flasher’ aka 0xFFFF utility implements a free userspace handler for the NOLO bootloader and extended features for flashing, dumping and getting information for the Nokia Internet Tablets. Thus it's a free alternative to Nokia's closed source flashing utility called flasher.

FlightGear is a free and highly sophisticated flight simulator.

Heimdal is a free implementation of Kerberos 5 that aims to be compatible with MIT Kerberos.

Originally written to design Spyder (the Scientific PYthon Development EnviRonment), the spyderlib Python library provides ready-to-use pure-Python widgets: source code editor with syntax highlighting and code introspection/analysis features, NumPy array editor, dictionary editor, Python console, etc. It's based on the Qt Python binding module PyQt4 (and is compatible with PySide since v2.2).