| Microsoft | Internet Explorer | 1421 |
| Microsoft | Word | 150 |
| Oracle | Jre | 751 |
| Oracle | E-business Suite | 280 |
| Oracle | Mysql | 498 |
| Redhat | Enterprise Linux | 1020 |
| Openbsd | Openssh | 117 |
| 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 |
| Sco | Unixware | 89 |
| Qualcomm | Qpopper | 16 |
| Netbsd | Netbsd | 170 |
| Isc | Bind | 106 |
| Microsoft | Windows Nt | 259 |
| Cisco | Ios | 504 |
| Washington University | Wu-ftpd | 24 |
| Larry Wall | Perl | 50 |
| Slackware | Slackware Linux | 55 |
| Apache | Http Server | 260 |
| Linux | Linux Kernel | 2853 |
| Elm Development Group | Elm | 7 |
| Netscape | Navigator | 52 |
| Sun | Java | 224 |
| Microsoft | Windows 2000 | 534 |
| Cisco | Pix Firewall Software | 32 |
| Samba | Samba | 167 |
| Great Circle Associates | Majordomo | 7 |
| Suse | Suse Linux | 215 |
| Novell | Netware | 72 |
| Microsoft | Outlook | 61 |
| Khaled Mardam-bey | Mirc | 14 |
| Openssl | Openssl | 180 |
| Andrew Tridgell | Rsync | 21 |
| Aol | Instant Messenger | 31 |
| Hp | Tru64 | 62 |
| Microsoft | Ie | 206 |
| Ibm | Websphere Application Server | 290 |
| Stalker | Communigate Pro | 11 |
| Microsoft | Outlook Express | 49 |
| Symantec | Norton Antivirus | 64 |
| Novell | Groupwise | 74 |
| Symantec | Pcanywhere | 18 |
| Ssh | Secure Shell | 3 |
| Sambar | Sambar Server | 18 |
| Ethereal Group | Ethereal | 109 |
| Hylafax | Hylafax | 12 |
| Etype | Eserv | 11 |
| Nullsoft | Shoutcast Server | 10 |
| Cisco | Pix Firewall | 17 |
| Lotus | Domino Server | 5 |
| Nullsoft | Winamp | 66 |
| Globalscape | Cuteftp | 7 |
| Atrium Software | Mercur Mailserver | 6 |
| Trend Micro | Officescan | 35 |
| Zonelabs | Zonealarm | 32 |
| Citrix | Metaframe | 10 |
| Gnu | Emacs | 29 |
| Gnu | Glibc | 137 |
| Alt-n | Mdaemon | 43 |
| Microsoft | Works | 60 |
| Bea | Weblogic Server | 216 |
| Lilikoi | Ceilidh | 3 |
| Hp | Openview Network Node Manager | 81 |
| Steve Poulsen | Guildftpd | 8 |
| Mozilla | Mozilla | 112 |
| Francisco Burzi | Php-nuke | 119 |
| Bajie | Java Http Server | 6 |
| Yabb | Yabb | 27 |
| Microsoft | Windows Media Player | 53 |
| Clearswift | Mailsweeper For Smtp | 5 |
| Gnu | Privacy Guard | 10 |
| Sun | Jdk | 719 |
| Microsoft | Windows Xp | 762 |
| Caucho Technology | Resin | 27 |
| Phorum | Phorum | 56 |
| Anyportal Php | Anyportal Php | 2 |
| Sips | Sips | 5 |
| Dansie | Shopping Cart | 21 |
| Sun | Cluster | 8 |
| Easy Software Products | Cups | 101 |
| Microsoft | Frontpage Server Extensions | 5 |
| Ritlabs | The Bat | 8 |
| Licq | Licq | 5 |
| Winzip | Winzip | 12 |
| Brs | Webweaver | 5 |
| Aladdin Knowledge Systems | Esafe Gateway | 4 |
| Cisco | Content Services Switch 11000 | 8 |
| Trend Micro | Virus Control System | 3 |
| Engardelinux | Secure Linux | 76 |
| Phpnuke | Php-nuke | 119 |
| Postnuke Software Foundation | Postnuke | 42 |
| Sun | Jre | 751 |
| Sun | Java Plug-in | 4 |
| Compaq | Tru64 | 62 |
