| Microsoft | Internet Explorer | 1421 |
| Microsoft | Windows Vista | 787 |
| Microsoft | Word | 150 |
| Canonical | Ubuntu Linux | 3232 |
| Oracle | E-business Suite | 280 |
| Oracle | Database Server | 436 |
| Debian | Debian Linux | 5684 |
| Redhat | Enterprise Linux | 1019 |
| Redhat | Enterprise Linux Desktop | 1151 |
| Openbsd | Openssh | 117 |
| Apple | Mac Os X | 2364 |
| Php | Php | 639 |
| Microsoft | Windows | 1073 |
| Openbsd | Openbsd | 187 |
| Redhat | Linux | 1693 |
| Sun | Solaris | 869 |
| Sun | Sunos | 582 |
| Hp | Hp-ux | 291 |
| Ibm | Aix | 325 |
| Microsoft | Windows Nt | 259 |
| Slackware | Slackware Linux | 55 |
| Apache | Http Server | 260 |
| Linux | Linux Kernel | 2853 |
| Mit | Kerberos 5 | 133 |
| Microsoft | Windows 2000 | 534 |
| Xfree86 Project | X11r6 | 31 |
| Paul Vixie | Vixie Cron | 11 |
| Proftpd Project | Proftpd | 46 |
| Ibm | Lotus Notes | 73 |
| Sendmail | Sendmail | 50 |
| Aol | Instant Messenger | 31 |
| X.org | X11 | 24 |
| Ibm | Websphere Application Server | 290 |
| Postgresql | Postgresql | 120 |
| Symantec | Norton Antivirus | 64 |
| Novell | Groupwise | 74 |
| Irfanview | Irfanview | 186 |
| Amavis | Virus Scanner | 3 |
| Ubuntu | Ubuntu Linux | 3232 |
| Nullsoft | Winamp | 66 |
| Nortel | Contivity | 9 |
| Oracle | Application Server | 205 |
| Zonelabs | Zonealarm | 32 |
| Mozilla | Mozilla | 112 |
| Apache | Tomcat | 148 |
| Microsoft | Windows Xp | 762 |
| Phorum | Phorum | 56 |
| Sun | Cluster | 8 |
| Apple | Quicktime | 249 |
| Phpmyadmin | Phpmyadmin | 272 |
| Symantec | Norton Ghost | 13 |
| Extremail | Extremail | 7 |
| Actionpoll | Actionpoll | 3 |
| Freeradius | Freeradius | 49 |
| Yahoo | Messenger | 43 |
| Microsoft | .net Framework | 109 |
| Microsoft | Content Management Server | 7 |
| Youngzsoft | Cmailserver | 7 |
| Symantec | Norton Internet Security | 40 |
| Cafelog | B2 | 5 |
| Kde | Konqueror | 37 |
| Apple | Mac Os X Server | 673 |
| Novell | Edirectory | 53 |
| Python Software Foundation | Python | 124 |
| Elinks | Elinks | 7 |
| Symantec | Norton Personal Firewall | 19 |
| Redhat | Linux Advanced Workstation | 68 |
| Gregory Kokanosky | Phpmynewsletter | 4 |
| Acd Systems | Acdsee | 9 |
| Deltascripts | Php Classifieds | 13 |
| Microsoft | Windows 2003 Server | 427 |
| Mozilla | Seamonkey | 719 |
| Mozilla | Firefox | 2583 |
| Apple | Safari | 1398 |
| Ssh | Tectia Server | 13 |
| Opera | Opera Browser | 298 |
| Alexander V. Lukyanov | Lftp | 3 |
| Imagemagick | Imagemagick | 638 |
| Deskpro | Deskpro | 20 |
| Clam Anti-virus | Clamav | 126 |
| Symantec | Norton System Works | 20 |
| Quagga | Quagga | 27 |
| Mandrakesoft | Mandrake Multi Network Firewall | 17 |
| Kaspersky Lab | Kaspersky Anti-virus | 45 |
| Vmware | Esx | 86 |
| Dcp-portal | Dcp-portal | 14 |
| Symantec | Norton Antispam | 7 |
| Wordpress | Wordpress | 322 |
| Redhat | Fedora Core | 88 |
| Symantec | Client Security | 42 |
| Invision Power Services | Invision Power Board | 60 |
| Avaya | Definity One Media Server | 13 |
| Avaya | S8100 | 13 |
| Ipsec-tools | Ipsec-tools | 9 |
| Don Moore | Mydns | 4 |
| Oracle | Collaboration Suite | 65 |
| Avaya | S3400 | 8 |
| Ben3w | 2bgal | 3 |
| Hp | Storageworks Command View | 2 |
| Ubbcentral | Ubb.threads | 20 |
