| Microsoft | Internet Explorer | 1420 |
| Microsoft | Windows Server 2008 | 827 |
| Microsoft | Windows Vista | 786 |
| Microsoft | Office | 505 |
| Canonical | Ubuntu Linux | 3231 |
| Oracle | E-business Suite | 279 |
| Debian | Debian Linux | 4813 |
| Opensuse | Opensuse | 1455 |
| Apple | Mac Os X | 2362 |
| Adobe | Acrobat | 899 |
| Adobe | Acrobat Reader | 631 |
| Fedoraproject | Fedora | 2710 |
| Juniper | Junos | 70 |
| Php | Php | 636 |
| Google | Chrome | 3422 |
| Sun | Solaris | 868 |
| Hp | Hp-ux | 289 |
| Netbsd | Netbsd | 168 |
| Cisco | Ios | 501 |
| Apache | Http Server | 246 |
| Linux | Linux Kernel | 2850 |
| Microsoft | Windows 2000 | 533 |
| Microsoft | Internet Information Services | 59 |
| Samba | Samba | 165 |
| Gnu | Wget | 19 |
| Ibm | Lotus Notes | 72 |
| X.org | X11 | 15 |
| Vmware | Workstation | 181 |
| Ibm | Websphere Application Server | 286 |
| Postgresql | Postgresql | 118 |
| Gnome | Gdm | 13 |
| Symantec | Norton Antivirus | 61 |
| Ubuntu | Ubuntu Linux | 3157 |
| Globalscape | Cuteftp | 7 |
| Oracle | Application Server | 204 |
| Microsoft | Windows Media Services | 9 |
| Mozilla | Bugzilla | 139 |
| Horde | Horde | 20 |
| Ibm | Lotus Domino | 87 |
| Microsoft | Windows Xp | 761 |
| Sun | Cluster | 5 |
| Apple | Quicktime | 248 |
| Freeradius | Freeradius | 35 |
| Symantec | Norton Internet Security | 40 |
| Woltlab | Burning Board | 30 |
| Solarwinds | Tftp Server | 7 |
| Apple | Mac Os X Server | 670 |
| Elinks | Elinks | 6 |
| Drupal | Drupal | 188 |
| Phpbb | Phpbb | 113 |
| Mozilla | Firefox | 2582 |
| Apple | Safari | 1396 |
| Opera | Opera Browser | 287 |
| Ibm | Db2 | 119 |
| E107 | E107 | 66 |
| Microsoft | Windows Server 2003 | 465 |
| Cpanel | Cpanel | 413 |
| Nuked-klan | Nuked-klan | 7 |
| Maxwebportal | Maxwebportal | 10 |
| Phpkit | Phpkit | 8 |
| Symantec | Client Security | 42 |
| Rarlab | Winrar | 5 |
| Nasm | Netwide Assembler | 66 |
| Kde | Kdelibs | 7 |
| Linpha | Linpha | 11 |
| Ibm | Informix Dynamic Server | 17 |
| Horde | Application Framework | 6 |
| Ibm | Tivoli Directory Server | 45 |
| Code-crafters | Ability Mail Server | 6 |
| Apple | Itunes | 705 |
| Netwin | Surgemail | 12 |
| Stefan Ritt | Elog Web Logbook | 5 |
| Punbb | Punbb | 27 |
| Runcms | Runcms | 24 |
| Bakbone | Netvault | 5 |
| Symantec | Mail Security | 10 |
| Rim | Blackberry Device Software | 3 |
| Ekinboard | Ekinboard | 4 |
| Vtiger | Vtiger Crm | 48 |
| Adobe | Shockwave Player | 168 |
| Almondsoft | Almond Classifieds | 5 |
| Horde | Turba H3 | 2 |
| Horde | Kronolith H3 | 2 |
| Coppermine-gallery | Coppermine Photo Gallery | 42 |
| Kayako | Supportsuite | 8 |
| Spip | Spip | 40 |
| Vmware | Player | 92 |
| Horde | Horde Application Framework | 7 |
| Vmware | Ace | 45 |
| Virtuemart | Virtuemart | 12 |
| Plume-cms | Plume Cms | 4 |
| Uebimiau | Uebimiau | 9 |
| Modxcms | Modxcms | 11 |
| Mambo-foundation | Mambo | 33 |
| Docebo | Docebo | 11 |
| Freesshd | Freesshd | 10 |
| Wireshark | Wireshark | 662 |
| Cisco | Unified Callmanager | 19 |
| Apple | Xsan | 2 |
| Rubyonrails | Rails | 97 |
