Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
0.8.0
GNU GPL
Firefox
in 345 toolboxes Firefox is the popular open source web browser from Mozilla
Skype
in 228 toolboxes Free/cheap Internet telephony and handy IM tool.
Delicious
in 173 toolboxes Web based social bookmarking lets you share online finds and discover new ones. Ground zero for tagging.
OpenOffice
in 203 toolboxes Full-featured open source office productivity suite, featuring word processor, spreadsheet, presentation, drawing and database packages; free MS Office replacement.
Ubuntu
in 136 toolboxes User-friendly Linux distribution.
The Ubuntu promise:
* Ubuntu will always be free of charge, along with its regular enterprise releases and security updates
* Ubuntu comes with full commercial support from Canonical and hundreds of companies from across the world
* Ubuntu provides the best translations and accessibility features that the free software community has to offer
* Ubuntu core applications are all free and open source. We want you to use free and open source software, improve it and pass it on.
Pidgin
in 91 toolboxes A multi-protocol Instant Messaging (IM) client
Thunderbird
in 137 toolboxes Mozilla's Open Source email client
MediaWiki
in 85 toolboxes Powerful wiki software built to support the Wikipedia project
PuTTY
in 71 toolboxes A Free Telnet/SSH Client
Flickr
in 160 toolboxes Web based photo sharing service
Debian
in 38 toolboxes Linux distribution with a very strong community
Audacity
in 96 toolboxes Free, open source software for recording and editing sounds.
GIMP
in 116 toolboxes A freely distributed piece of software for such tasks as photo retouching, image composition and image authoring.
GNOME
in 21 toolboxes GNOME Desktop Environment and Developer Platform
NVU
in 15 toolboxes A complete Web Authoring System for Linux, Microsoft Windows and Macintosh users (Offers functionality found in FrontPage and Dreamweaver).
Inkscape
in 39 toolboxes 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.
Wikipedia
in 131 toolboxes Wikipedia is a global and multilingual Web-based cooperative free-content encyclopedia.
LinkedIn
in 144 toolboxes 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.
gedit
in 19 toolboxes gedit is the official text editor of the GNOME desktop environment.
VLC Media Player
in 79 toolboxes 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.
Edubuntu
in 9 toolboxes The Edubuntu Linux distribution brings the spirit of Ubuntu to schools, through its customised school environment.
Social Source Commons
in 144 toolboxes 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.
Zotero
in 29 toolboxes Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.
Moodle
in 32 toolboxes Open source content management and learning management system focused on online education communities.
