| AbiSource | 3 | root | |
| Adium | 3 | root | |
| Apache Software Foundation | 9 | root | |
| Ardour | 3 | root | |
| ArgoUML | 5 | root | |
| BBC Research | 2 | root | |
| Beagle | 2 | root | |
| Blender | 4 | root | |
| Boost | 4 | root | |
| Bricolage | 4 | root | |
| ClamAV | 5 | root | |
| Cockos Incorporated | 2 | root | |
| Codehaus | 2 | root | |
| Common Unix Printing System | 2 | root | |
| Creative Commons | 2 | root | |
| Crystal Space | 3 | root | |
| CUWiN Wireless Project | 2 | root | |
| Daisy CMS | 1 | root | |
| Debian | 4 | root | |
| Detached Solutions | 1 | root | |
| Django (Lawrence Journal-World) | 3 | root | |
| Dojo | 3 | root | |
| Drupal | 31 | root | Drupal is a PHP/SQL content management platform. |
| Eclipse | 5 | root | |
| Etherboot Project | 2 | root | |
| FFmpeg | 1 | root | |
| FreeBSD Project | 1 | root | |
| Gaim | 4 | root | |
| Gallery | 1 | root | |
| GCC | 4 | root | |
| Gentoo | 7 | root | |
| GIMP | 1 | root | |
| GNOME | 8 | root | |
| Google | 4 | root | |
| Handhelds.org | 5 | root | |
| Haskell.org | 3 | root | |
| Horde | 2 | root | |
| ICU | 1 | root | |
| Inkscape | 1 | root | |
| Internet Archive | 1 | root | |
| Internet2 | 2 | root | |
| Irssi | 3 | root | |
| Jabber Software Foundation | 4 | root | |
| Joomla! | 4 | root | |
| JXTA | 1 | root | |
| KDE | 5 | root | |
| Lanka Software Foundation (LSF) | 2 | root | |
| LispNYC | 1 | root | |
| LiveJournal | 1 | root | |
| Mars Space Flight Facility | 2 | root | |
| MoinMoin | 4 | root | |
| Monotone | 1 | root | |
| Moodle | 3 | root | |
| MythTV | 4 | root | |
| NetBSD | 3 | root | NetBSD is a free, secure, and highly portable Unix-like Open Source operating system available for many platforms. |
| Nmap Security Scanner | 3 | root | |
| OGRE | 1 | root | |
| OhioLINK | 2 | root | The Ohio Library and Information Network |
| One Laptop Per Child | 4 | root | |
| Open Security Foundation (OSVDB) | 2 | root | |
| Open Source Applications Foundation | 3 | root | |
| Open Source Cluster Application Resources (OSCAR) | 2 | root | |
| Open Source Development Labs (OSDL) | 3 | root | |
| OpenOffice.org | 2 | root | |
| OpenSolaris | 1 | root | |
| openSUSE | 1 | root | |
| Oregon State University Open Source Lab (OSL) | 3 | root | |
| PHP | 8 | root | PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. |
| PlanetMath | 2 | root | |
| Plone Foundation | 1 | root | |
| Portland State University | 2 | root | |
| PostgreSQL Project | 3 | root | |
| Project Looking Glass | 1 | root | |
| Python Software Foundation | 8 | root | |
| ReactOS | 3 | root | |
| Refractions Research | 1 | root | |
| Ruby Central Inc. | 6 | root | Ruby Central is the organization beind the RubyCOnf, ruby-lang.org and many other Ruby community initiatives. |
| Samba | 1 | root | |
| SCons | 1 | root | |
| Subversion | 3 | root | |
| The Fedora Project | 3 | root | |
| The Free Earth Foundation | 1 | root | |
| The Free Network Project | 2 | root | |
| The Free Software Initiative of Japan | 2 | root | |
| The GNU Project | 3 | root | |
| The LLVM Compiler Infrastructure | 2 | root | |
| The Mono Project | 3 | root | |
| The Mozilla Foundation | 6 | root | |
| The Perl Foundation | 4 | root | |
| The Shmoo Group | 2 | root | |
| The University of Texas at Austin: RTF New Media Initiative | 2 | root | |
| The Wine Project | 5 | root | |
| Ubuntu & Bazaar | 12 | root | |
| University of Michigan Aerospace Engineering & Space Science Departments | 1 | root | |
| Wikimedia Foundation | 2 | root | |
| WinLibre | 5 | root | WinLibre is a rigorous selection of free, legal software for Windows 98, 2000, XP |
| wxWidgets | 2 | root | |
| XenSource | 1 | root | |
| Xiph.org | 4 | root | |
| XMMS2 | 6 | root | |
| Xorg | 3 | root | |
| XWiki | 3 | root | |
