dirmngr is a server for managing and downloading OpenPGP and X.509 certificates, as well as updates and status signals related to those certificates. For OpenPGP, this means pulling from the public HKP/HKPS keyservers, or from LDAP servers. For X.509 this includes Certificate Revocation Lists (CRLs) and Online Certificate Status Protocol updates (OCSP). It is capable of using Tor for network access.

Simple context menu file comparison extension for Nautilus 3 and above, inspired by the discontinued 'diff-ext' extension. By default it uses 'meld' to do the comparison and provides "Compare", "Compare to ~/foo/bar" and "Compare Later" in Nautilus context menu. Using the configurator tool you can choose your favourite compare tool for one-on-one, three-way and multi-compare situations.

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. FreeMat is available under the GPL license.

Blob Wars episode II: Blob and Conquer is the sequel to Blob Wars: Metal Blob Solid.

SAGA GIS (System for Automated Geoscientific Analyses) is a free and open source geographic information system used for editing and analysing spatial data. It includes a large number of modules for the analysis of vector (point, line and polygon), table, grid and image data. Among others the package includes modules for geostatistics, image classification, projections, simulation of dynamic processes (hydrology, landscape development) and terrain analysis. The functionality can be accessed through a GUI, the command line or by using the C++ API.