| Microsoft | Internet Explorer | 1421 |
| Microsoft | Windows Vista | 787 |
| Microsoft | Office | 503 |
| Microsoft | Word Viewer | 81 |
| Microsoft | Visio | 50 |
| Microsoft | Excel | 205 |
| Microsoft | Powerpoint | 55 |
| Microsoft | Word | 150 |
| Microsoft | Exchange Server | 86 |
| Microsoft | Excel Viewer | 111 |
| Canonical | Ubuntu Linux | 3226 |
| Oracle | Enterprise Manager Grid Control | 90 |
| Oracle | E-business Suite | 280 |
| Oracle | Database Server | 436 |
| Debian | Debian Linux | 5710 |
| Oracle | Mysql | 498 |
| Redhat | Enterprise Linux | 1027 |
| Redhat | Enterprise Linux Workstation | 1071 |
| Redhat | Enterprise Linux Desktop | 1151 |
| Redhat | Enterprise Linux Server | 1083 |
| Openbsd | Openssh | 117 |
| Apple | Mac Os X | 2364 |
| Adobe | Acrobat | 900 |
| Adobe | Acrobat Reader | 632 |
| Juniper | Junos | 104 |
| Php | Php | 639 |
| Cisco | Adaptive Security Appliance Software | 194 |
| Firebirdsql | Firebird | 34 |
| Ffmpeg | Ffmpeg | 402 |
| Fortinet | Fortios | 26 |
| Openbsd | Openbsd | 187 |
| Freebsd | Freebsd | 409 |
| Sun | Solaris | 869 |
| Sun | Sunos | 582 |
| Hp | Hp-ux | 291 |
| Ibm | Aix | 325 |
| Sco | Unixware | 89 |
| Microsoft | Internet Information Server | 109 |
| Netbsd | Netbsd | 170 |
| Isc | Bind | 106 |
| Sco | Openserver | 79 |
| Microsoft | Frontpage | 26 |
| Microsoft | Windows Nt | 259 |
| Cisco | Ios | 504 |
| Cray | Unicos | 10 |
| Slackware | Slackware Linux | 55 |
| Apache | Http Server | 260 |
| Linux | Linux Kernel | 2853 |
| Netscape | Navigator | 52 |
| Mit | Kerberos 5 | 133 |
| Microsoft | Windows 2000 | 534 |
| Microsoft | Internet Information Services | 91 |
| Cisco | Pix Firewall Software | 32 |
| Samba | Samba | 167 |
| Suse | Suse Linux | 215 |
| Lsoft | Listserv | 10 |
| Jgaa | Warftpd | 9 |
| Novell | Netware | 72 |
| Qbik | Wingate | 15 |
| Paul Vixie | Vixie Cron | 11 |
| Microsoft | Netmeeting | 11 |
| Microsoft | Windows 98 | 99 |
| Ipswitch | Ws Ftp Server | 24 |
| Microsoft | Access | 30 |
| Proftpd Project | Proftpd | 46 |
| Microsoft | Project | 37 |
| Microsoft | Visual Basic | 19 |
| Microsoft | Outlook | 61 |
| Microsoft | Terminal Server | 11 |
| Khaled Mardam-bey | Mirc | 14 |
| Gnu | Wget | 20 |
| Openssl | Openssl | 180 |
| Ibm | Lotus Notes | 73 |
| Andrew Tridgell | Rsync | 21 |
| Mirabilis | Icq | 28 |
| Sendmail | Sendmail | 50 |
| Aol | Instant Messenger | 31 |
| Hp | Tru64 | 62 |
| Checkpoint | Firewall-1 | 46 |
| Oracle | Oracle8i | 47 |
| Ibm | Lotus Domino Server | 10 |
| Vmware | Workstation | 183 |
| Kde | Kde | 65 |
| Microsoft | Ie | 206 |
| Ibm | Websphere Application Server | 290 |
| Postgresql | Postgresql | 119 |
| Stalker | Communigate Pro | 11 |
| Microsoft | Windows 98se | 71 |
| Mutt | Mutt | 42 |
| An | An-httpd | 5 |
| Texas Imperial Software | Wftpd | 19 |
| Todd Miller | Sudo | 50 |
| X.org | Xterm | 11 |
| Microsoft | Windows Explorer | 7 |
| Microsoft | Outlook Express | 49 |
| Gnome | Gdm | 16 |
| Symantec | Norton Antivirus | 64 |
| Novell | Groupwise | 74 |
| Mandrakesoft | Mandrake Linux | 136 |
| Microsoft | Data Access Components | 13 |
