| Microsoft | Internet Explorer | 39 |
| Microsoft | Office | 51 |
| Microsoft | Visio | 46 |
| Microsoft | Excel | 7 |
| Microsoft | Powerpoint | 54 |
| Microsoft | Word | 8 |
| Microsoft | Exchange Server | 58 |
| Canonical | Ubuntu Linux | 1440 |
| Oracle | E-business Suite | 279 |
| Oracle | Database Server | 6 |
| Debian | Debian Linux | 4813 |
| Oracle | Mysql | 21 |
| Mariadb | Mariadb | 283 |
| Redhat | Enterprise Linux | 680 |
| Redhat | Enterprise Linux Workstation | 439 |
| Redhat | Enterprise Linux Desktop | 576 |
| Redhat | Enterprise Linux Server | 443 |
| Openbsd | Openssh | 24 |
| Apple | Mac Os X | 597 |
| Adobe | Acrobat | 112 |
| Adobe | Acrobat Reader | 112 |
| Pcre | Pcre | 19 |
| Php | Php | 92 |
| Cisco | Adaptive Security Appliance Software | 15 |
| Ffmpeg | Ffmpeg | 150 |
| Openbsd | Openbsd | 28 |
| Freebsd | Freebsd | 119 |
| Redhat | Linux | 2007 |
| Sun | Solaris | 868 |
| Sun | Sunos | 531 |
| Sgi | Irix | 75 |
| Hp | Hp-ux | 289 |
| Ibm | Aix | 302 |
| University Of Washington | Pine | 16 |
| Sco | Unixware | 57 |
| Qualcomm | Qpopper | 16 |
| Microsoft | Internet Information Server | 40 |
| Netbsd | Netbsd | 168 |
| Isc | Bind | 98 |
| Sco | Openserver | 79 |
| Microsoft | Frontpage | 14 |
| Microsoft | Windows 95 | 48 |
| Microsoft | Windows Nt | 248 |
| Cisco | Ios | 67 |
| Washington University | Wu-ftpd | 24 |
| Larry Wall | Perl | 50 |
| Slackware | Slackware Linux | 20 |
| Apache | Http Server | 246 |
| Linux | Linux Kernel | 1322 |
| Elm Development Group | Elm | 7 |
| Xfree86 Project | Xfree86 | 10 |
| Netscape | Navigator | 47 |
| Mit | Kerberos 5 | 14 |
| Qmail Project | Qmail | 5 |
| University Of Arizona | Webglimpse | 7 |
| Microsoft | Windows 2000 | 533 |
| Microsoft | Internet Information Services | 59 |
| Aladdin Enterprises | Ghostscript | 104 |
| Cisco | Pix Firewall Software | 29 |
| Samba | Samba | 57 |
| Suse | Suse Linux | 159 |
| Xfree86 Project | X11r6 | 31 |
| Dan Bernstein | Qmail | 5 |
| Lsoft | Listserv | 6 |
| Novell | Netware | 61 |
| Roar Smith | Info2www | 2 |
| Paul Vixie | Vixie Cron | 4 |
| Pam | Pam | 3 |
| Microsoft | Windows 98 | 99 |
| Ipswitch | Ws Ftp Server | 20 |
| Proftpd Project | Proftpd | 38 |
| University Of Kansas | Lynx | 24 |
| Trend Micro | Interscan Viruswall | 22 |
| Microsoft | Project | 35 |
| Microsoft | Outlook | 3 |
| Gnu | Wget | 6 |
| Openssl | Openssl | 178 |
| Ibm | Lotus Notes | 72 |
| Mirabilis | Icq | 23 |
| Sendmail | Sendmail | 42 |
| Midnight Commander | Midnight Commander | 22 |
| Aol | Instant Messenger | 31 |
| Hp | Tru64 | 57 |
| Checkpoint | Firewall-1 | 28 |
| Oracle | Oracle8i | 47 |
| Ibm | Lotus Domino Server | 3 |
| Vmware | Workstation | 181 |
| Kde | Kde | 42 |
| Knox Software | Arkeia | 5 |
| Microsoft | Ie | 205 |
| Ibm | Websphere Application Server | 286 |
| Infopop | Ultimate Bulletin Board | 8 |
| Postgresql | Postgresql | 29 |
| Stalker | Communigate Pro | 3 |
| Microsoft | Windows 98se | 71 |
| Floosietek | Ftgate | 6 |
| Ihtml Merchant | Ihtml Merchant | 2 |
| Mutt | Mutt | 22 |
| An | An-httpd | 5 |
| Todd Miller | Sudo | 39 |
