| Microsoft | Internet Explorer | 1421 |
| Microsoft | Powerpoint | 55 |
| Canonical | Ubuntu Linux | 3226 |
| Debian | Debian Linux | 5693 |
| Oracle | Mysql | 498 |
| Redhat | Enterprise Linux | 1019 |
| Apple | Mac Os X | 2364 |
| Php | Php | 639 |
| Openbsd | Openbsd | 187 |
| Freebsd | Freebsd | 409 |
| Sun | Solaris | 869 |
| Sun | Sunos | 582 |
| Hp | Hp-ux | 291 |
| Ibm | Aix | 325 |
| Netbsd | Netbsd | 170 |
| Apache | Http Server | 260 |
| Linux | Linux Kernel | 2853 |
| Netscape | Navigator | 52 |
| Mit | Kerberos 5 | 133 |
| Microsoft | Windows 2000 | 534 |
| Cisco | Pix Firewall Software | 32 |
| Microsoft | Visual Basic | 19 |
| Microsoft | Terminal Server | 11 |
| Sendmail | Sendmail | 50 |
| Microsoft | Ie | 206 |
| Ibm | Websphere Application Server | 290 |
| Texas Imperial Software | Wftpd | 19 |
| X.org | Xterm | 11 |
| Irfanview | Irfanview | 186 |
| Mcafee | Virusscan | 12 |
| Microsoft | Visual Studio | 26 |
| Alt-n | Mdaemon | 43 |
| Xchat | Xchat | 12 |
| Yabb | Yabb | 27 |
| Horde | Horde | 21 |
| Horde | Imp | 23 |
| Microsoft | Windows Xp | 762 |
| Phpgroupware | Phpgroupware | 29 |
| Cisco | Pix Firewall 515 | 12 |
| Cisco | Pix Firewall 520 | 12 |
| Cisco | Vpn 3000 Concentrator Series Software | 27 |
| Jelsoft | Vbulletin | 99 |
| Cisco | Content Services Switch 11000 | 8 |
| Phprojekt | Phprojekt | 16 |
| Phpadsnew | Phpadsnew | 13 |
| Squirrelmail | Squirrelmail | 68 |
| Novell | Groupwise Webaccess | 8 |
| Gallery Project | Gallery | 74 |
| Derek Leung | Pslash | 3 |
| Ncompress | Ncompress | 4 |
| Macromedia | Coldfusion | 111 |
| Phpbb Group | Phpbb | 116 |
| Xoops | Xoops | 43 |
| Xmb Software | Xmb Forum | 5 |
| Visualshapers | Ezcontents | 16 |
| Woltlab | Burning Board | 31 |
| Ekilat Llc | Php\(reactor\) | 3 |
| Isc | Dhcpd | 7 |
| Dotproject | Dotproject | 15 |
| Apple | Mac Os X Server | 673 |
| Blackboard | Blackboard | 5 |
| Gianluca Baldo | Phpauction | 9 |
| Novell | Edirectory | 53 |
| Symantec Veritas | Backup Exec | 22 |
| Symantec | Norton Personal Firewall | 19 |
| Sun | Java Web Start | 5 |
| Drupal | Drupal | 189 |
| Oscommerce | Oscommerce | 38 |
| Kaspersky Lab | Kaspersky Anti-hacker | 2 |
| Soft3304 | 04webserver | 9 |
| Carlos Sanchez Valle | Mynewsgroups | 3 |
| Sun | Ray Server Software | 15 |
| Microsoft | Windows 2003 Server | 427 |
| Mozilla | Firefox | 2583 |
| Mysql | Mysql | 498 |
| Digium | Asterisk | 135 |
| Alt-n | Webadmin | 8 |
| Ssh | Tectia Server | 13 |
| Cutephp | Cutenews | 36 |
| Ibm | Db2 | 121 |
| Imagemagick | Imagemagick | 638 |
| Cpanel | Cpanel | 416 |
| Nuked-klan | Nuked-klan | 14 |
| Bosdev | Bosdates | 4 |
| Tiki | Tikiwiki Cms\/groupware | 67 |
| Symantec | Brightmail Antispam | 9 |
| Wordpress | Wordpress | 322 |
| Invision Power Services | Invision Power Board | 60 |
| X.org | X11r6 | 31 |
| Iss | Blackice Pc Protection | 10 |
| Mysql | Maxdb | 17 |
| Libtiff | Libtiff | 212 |
| Iwebnegar | Iwebnegar | 3 |
| Kayako | Esupport | 12 |
| Devellion | Cubecart | 34 |
| Mambo | Mambo | 38 |
| Fusionphp | Fusion News | 4 |
| Cscope | Cscope | 5 |
| Lesstif | Lesstif | 3 |
| Zen Cart | Zen Cart | 40 |
