Flexible open-source content management and blogging software with an active user and developer community and a wide variety of plug-ins or extensions available.
Full-featured open source office productivity suite, featuring word processor, spreadsheet, presentation, drawing and database packages; free MS Office replacement.
Inkscape is an Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format.
Picasa is software that helps you instantly find, edit and share all the pictures on your PC. Picasa also makes advanced editing simple, and makes it easy to share your pictures; you can email, print photos home, make gift CDs, and even post pictures.
Social networking for non-social purposes with a focus on professional development, networking for jobs and problem solving through the expertise of those in your extended network.
VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols.
The Social Source Commons is a “knowledge commons” that provides users with: a directory of software applications; links to relevant documentation, localization tools, services, user reviews; and a place to request tools/features.
FLOSS Manuals is a wiki-like platform for generating user manuals for free, libre, and open source software (FLOSS). The goal of the project is to make free software more accessible by providing clear documentation that accurately explains their purpose and use. The manuals on FLOSS Manuals are written by a community of people, who do a variety of things to keep the manuals as up to date and accurate as possible. The way in which FLOSS Manuals are written mirrors the way in which FLOSS (Free, libre open source) software itself is written: by a community who contribute to and maintain the content.