Social Source Commons

Light and practical CMS

Open source constitutent relationship management system.

Allow users to subscribe (double opt-in) to a CiviCRM group without creating a Drupal user. Upon entering an email address, the user is added to the group, but the do_not_email flag is set. The subscribe form sends out an email to confirm the subscription. And only after the special link in the email is clicked, is the do_not_email flag cleared.

CivicSpace is a free open-source CMS platform for grassroots organizing and civic activity.

Web based social bookmarking lets you share online finds and discover new ones. Ground zero for tagging.

Dia is a program for drawing structured diagrams

Technology news website that combines social bookmarking, blogging, RSS, and non-hierarchical editorial control

Less resource-hungry web browser on Linux

Popular open source web browser from Mozilla

FreeMind is a premier free mind-mapping software written in Java.

Ghostscript is an interpreter for the PostScript language and for PDF, and related software and documentation.

Gmail is a web-based email with very user-friendly interface and huge storage capacity

Image browser that features single click access to view images and move around the directory tree.

gThumb is an image viewer and browser for the GNOME Desktop. ...

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.

KCalc is a scientific calculator for KDE

KNotes, a nice and small tool to scribble down some notices.

RSS/Atom feed aggregator. It also adds optional multi-user support, allowing for each user to login and see a customized feed page, filled with the content of choice.lylina supports RSS 0.9-2.0 and Atom 0.3-1.0, as well as other similar feed systems where

Powerful wiki software built to support the Wikipedia project

Full-featured open source office productivity suite, featuring word processor, spreadsheet, presentation, drawing and database packages; free MS Office replacement.

A multi-protocol Instant Messaging (IM) client

Wiki with purple numbers, transclusions, and other cutting edge experimental features.

Scribus is an open-source program that brings award-winning professional page layout to Linux/Unix, MacOS X and Windows desktops with a combination of "press-ready" output and new approaches to page layout.

Hosted online surveys

TikiWiki CMS/Groupware is a full-featured, web-based, multilingual, tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, ADOdb, Zend Framework, jQuery and Smarty. It is actively developed by a very large international community and is translated in over 30 languages. TikiWiki can be used to create all sorts of Web applications, sites, portals, knowledge base, intranets, and extranets.

TikiWiki offers a very large number of features "out-of-the-box", arguably more than any other Open Source Web Application. Highly configurable & modular, all the features are optional and administered via a web-based interface.

Major features include a robust wiki engine, news articles, discussion forums, newsletters, blogs, a file/image gallery, bug & issue tracker (form generator), a links directory, polls/surveys and quizzes, a FAQ, a banner management system, a calendar, maps, Mobile Tiki (PDA, VoiceXML and WAP access), RSS feeds, a category system, tags, an advanced themeing engine (Smarty), a spreadsheet, live support, Shoutbox, inter-user messages, a menu generator, an advanced user, group and permission system, internal search engine, external authentication support, and much much more.

User-friendly Linux distribution

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.

XSane is a graphical scanning frontend. It uses the SANE-library to talk to scanners. This means that XSane does not support any scanners itself.