Links

Open Source Software

Desktop Applications
- Mozilla Firefox - Mozilla Public License (MPL)
  Favorite extensions: Adblock Plus Chatzilla Console2 Cookie Button Down Them All Download Statusbar Exif Viewer FlashGot FoxyProxy HTML Validator (Tidy) Image Zoom Linkification Locationbar2 NoScript Searchbar Autosizer Statur-4-Evar Web Developer Wörterbuch (de_DE, igerman98, Hunspell)
- Mozilla Thunderbird - Mozilla Public License (MPL)
  Favorite extensions: ContactsSidebar Display Mail User Agent Enigmail ImportExportTools PrintingTools Remove Dupes
- LibreOffice - GNU LGPL
- OpenProj - Common Public Attribution License (CPAL)
- GIMP - GNU GPL
- Inkscape - GNU GPL
- Scribus - GNU GPL
- Blender - GNU GPL
- Texmaker - GNU GPL
- Sumatra PDF - GNU GPL
- GhostScript & GSview - GNU GPL, Aladdin Free Public Licence (AFPL)
- 7-Zip - GNU GPL
- Audacity - GNU GPL
- VirtualDub - GNU GPL
- VLC media player - GNU GPL
- TV-Browser - GNU GPL
- HandBrake - GNU GPL
- Denemo - GNU GPL
Security
- GNU Privacy Guard - GNU GPL
- IP-Cop - GNU GPL
- TrueCrypt - TrueCrypt Collective License
Network Tools
- Pidgin - GNU GPL
- FileZilla - GNU GPL
- eMule - GNU GPL
- WinSCP - GNU GPL
- PuTTY - MIT License
System Management
- DeeEnEs - GNU GPL
- Memtest86+ - GNU GPL
Software Development
- Subversion - Apache/BSD-style License
- NetBeans - CDDL + GNU GPL
- Eclipse - Eclipse Public License
- Geany - GNU GPL
- KDiff3 - GNU GPL
- Apache Ant - Apache License
- UPX - GNU GPL
- Free Pascal - GNU GPL/LGPL
- soapUI - GNU LGPL
- AnkhSVN - Apache License
- RabbitVCS - GNU GPL
Web Development
- KompoZer - GNU GPL and other
- Lynx - GNU GPL
- OptiPNG - zlib/libpng License
Documentation
- JabRef - GNU GPL
Operating Systems, Emulators & Virtualization
- Xubuntu - GNU GPL and other
- DOSBox - GNU GPL
- VirtualBox - GNU GPL
Games
- Freeciv - GNU GPL
- FreeCol - GNU GPL
- LinCity - GNU GPL
- Return to the Roots (Siedler 2 Extension) - GNU GPL
- Battle for Wesnoth - GNU GPL
- Bos Wars - GNU GPL
- Open Transport Tycoon - GNU GPL
- Nexuiz - GNU GPL
- Cube 2: Sauerbraten - ZLIB License
- Speed Dreams - GNU GPL
- Vega Strike - GNU GPL
- Wing Commander Privateer Gemini Gold - GNU GPL
- FlightGear - GNU GPL
- UFO: Alien Invasion - GNU GPL and CC
- Alien Arena - GNU GPL
- Chromium B.S.U. - Artistic License
- Pingus - GNU GPL
- Glest - GNU GPL
- 0 A.D. - GNU GPL and CC
- List of open-source video games
Music
- Open Music Contest - CC
- Free Music Contest - CC
- Boycott Musicindustry++ (Pimp my Rights) - CC
- 5 Jahre TV-Browser - CC
- Jammin*Inc - CC
- Pornophonique - CC
- Professor Kliq - CC
- Jamendo Community - CC
- Free Music at Ektoplazm - CC
Films
- Zenith - CC by-nc-nd
Other useful and free (but closed source) Software for MS-Windows

Security
- Avira AntiVir Personal Edition - Free for personal use
Tools
- Foxit PDF Reader - Freeware
- Hex and Disk Editor - Freeware
- Ext2 Installable File System - Freeware
- CDBurnerXP - Freeware
Development
- DevExpress Refactor for C++
Games
- The Silver Lining - unofficial continuation to the King's Quest series created by fans
Meta
- Tabelle mit Entsprechungen/Ersatz/Ähnlichkeiten von Windows-Software gegenüber Linux (2005)
- Tabelle mit Entsprechungen/Ersatz/Ähnlichkeiten von Windows-Software gegenüber Linux (2008)
Information

Philosophy
- Eric S. Raymond - e.g., How to become a Hacker, The Cathedral and the Bazaar
Computer
Security
Linux
Programming
News
- freiesMagazin
- Ikhaya
Web

Information
- Internet Archive