| Rank | Change | Alexa Rank | Compete Rank | Quant Rank | Name | Review / Trend Graphs / URL | Site Description |
|---|
| 61 |  7 | 90,139 | 113,589 | 54,365 | John the Ripper | http://www.openwall.com | A portable password cracker with built-in efficient implementations of multiple password hashing algorithms found on various Unix flavors. |
| 29 | 15 | 59,663 | 40,671 | 84,154 | CTDP | http://www.comptechdoc.org | Contains several documents and articles about Linux. |
| 299 | 43 | 729,528 | 0 | 0 | OpenH323 Gatekeeper | http://www.gnugk.org | Free H.323 gatekeeper (GPL) based on OpenH323. |
| 313 | 53 | 847,533 | 0 | 0 | Linux Users Group of India - Bombay Chapter | http://www.ilug-bom.org.in | Group devoted to spreading about GNULInux in and around Bombay. |
| 384 |  -38 | 4,936,623 | 0 | 0 | Debian-World.com | http://www.debian-world.com | News, discussion forums and technical articles. |
| 353 | -8 | 1,303,307 | 0 | 0 | Hong Kong Linux User Group | http://www.linux.org.hk | Multi-lingual LUG in Hong Kong. |
| 135 | 1 | 122,360 | 258,135 | 0 | Samuel Hocevar | http://sam.zoy.org | Diary, writing, photos, and links to projects, including videolan. |
| 315 | 15 | 867,436 | 0 | 0 | SkåneSjælland Linux Users Group | http://www.sslug.dk | Members are primarily from Denmark and Sweden, but members from other countries are also welcome. Except for four annual meetings, all discussion is carried out via mailing-list. |
| 342 | 1 | 2,554,691 | 648,853 | 0 | Applix Inc | http://www.applix.com | Applix offers customer interaction software (CIS), real-time decision support, and office productivity solutions. |
| 253 | -5 | 472,413 | 917,154 | 0 | Portland Group, The | http://www.pgroup.com | Compilers and development tools |
| 245 | -7 | 1,264,424 | 465,601 | 399,166 | Silicon Valley Linux User Group | http://www.svlug.org | Meets in North San Jose. SVLUG directly serves Silicon Valley and the surrounding Bay Area. It also helps promote other LUGs anywhere in Northern and Central California. |
| 363 | -106 | 1,680,318 | 0 | 0 | Malta Linux User Group | http://linux.org.mt | Information about Linux, KDE, Gnome and other related software, and other resources like Maltese technical dictionary, and discussion groups. |
| 249 | 74 | 791,856 | 565,707 | 0 | Zsh - Linux shell | http://www.zsh.org | Zsh is a shell designed for interactive use, although it is also a powerful scripting language. |
| 91 | -20 | 89,706 | 170,810 | 241,526 | Ubuntu Guide | http://ubuntuguide.org | Helpful tips, tricks, and configuration suggestions for using Ubuntu. |
| 349 | -156 | 1,493,196 | 889,905 | 0 | Sodipodi | http://www.sodipodi.com | This predecessor to Inkscape is a vector drawing application which saves in svg format. |
| 277 | 55 | 671,995 | 877,101 | 0 | Townsville Linux Users Group (TLUG) | http://tlug.dnho.net | Group membership facilities include forums, blogs, polls and information about up-coming events. |
| 218 | -94 | 399,891 | 684,760 | 577,480 | GLoP.oRG | http://glop.org | About the linux Demo scene. |
| 170 | 28 | 214,178 | 387,282 | 0 | Full Circle Magazine | http://fullcirclemagazine.org | The free, monthly, Ubuntu Linux community magazine. Covering all distros of Ubuntu including Kubuntu, Xubuntu and Edubuntu. |
| 137 | 119 | 184,389 | 190,509 | 0 | Mark Shuttleworth | http://www.markshuttleworth.com | Ubuntu advocate and founder's webblog. |
| 213 | 70 | 663,918 | 529,538 | 435,488 | Calcaria Linux7k | http://www.calcaria.net | Project to port Linux to a small group of palmtops. Includes PSION PDAs. |