| Adobe | Robohelp Server | 1 |
| Rogue | Rogue | 1 |
| Rebellion | Rogue Trooper | 1 |
| Roseonlinecms | Roseonlinecms | 1 |
| Rosoftengineering | Rosoft Media Player | 1 |
| Holtstraeter | Rot 13 | 1 |
| Rp World | Rp World | 1 |
| Infernotechnologies | Rpg Inferno | 1 |
| Rrdbrowse | Rrdbrowse | 1 |
| Joomla | Rs Gallery2 | 2 |
| Rscript | Rsauction | 1 |
| Joomla | Rsfiles | 1 |
| Rsync | Rsync | 3 |
| Ruby-Lang | Ruby | 2 |
| Ruby Gnome2 | Ruby Gnome2 | 1 |
| David Hansson | Ruby On Rails | 2 |
| Rubyforge | Rubygems | 1 |
| Rsbac | Rule Set Based Access Control | 1 |
| Maxum Development Corporation | Rumpus Ftp Server | 3 |
| Runcms | Runcms | 9 |
| Eltima Software | Runservice | 1 |
| Rwscripts.Com | Rw Download Lite | 1 |
| Rainworx | Rwauction Pro | 1 |
| Joomla | Rwcards Component | 1 |
| Avaya | S3400 | 2 |
| Siemens | S45 | 1 |
| Asterisk | S800I | 1 |
| Asterisk | S800I Appliance | 4 |
| Avaya | S8100 | 2 |
| Avaya | S8300 | 2 |
| Avaya | S8500 | 2 |
| Avaya | S8700 | 2 |
| Avaya | S8710 | 1 |
| Sabros.Us | Sabros.Us | 1 |
| Apple | Safari | 41 |
| Sofaware | Safe At Office 500 Utm | 3 |
| Macrovision | Safedisc | 1 |
| Utimaco | Safeguard | 1 |
| Safenet | Safenet Highassurance Remote | 1 |
| Sage | Sage | 1 |
| Sage-Mozdev | Sage | 1 |
| Samba | Samba | 11 |
| Samba | Samba Server | 1 |
| Karjasoft | Sami Http Server | 1 |
| Gorki Online | Santrac Sitesi | 1 |
| Sap | Sap Basis Component 640 | 2 |
| Sap | Sap Basis Component 700 | 2 |
| Sap | Sap Db | 1 |
| Sap | Sap Message Server | 1 |
| Sap | Sap Web Application Server | 1 |
| Sapid | Sapid Cmf | 1 |
| Php-Nuke | Satel Lite | 1 |
| Redhat | Satellite | 1 |
| Savas Place | Savas Guestbook | 2 |
| Quirm | Saxon | 3 |
| Saxon | Saxon | 1 |
| Sblog | Sblog | 3 |
| Scallywag.Org | Scallywag | 2 |
| Trend Micro | Scan Engine | 1 |
| Trend Micro | Scanmail | 2 |
| Trend Micro | Scanmail Emanager | 1 |
| Sophos | Scanning Engine | 3 |
| Trend Micro | Scanning Engine | 1 |
| Scar4U.De | Scaradcontroller | 2 |
| Scar4U | Scarnews | 1 |
| Scart | Scart | 1 |
| Free Php Scripts | Schoolboard | 1 |
| Scintilla | Scintilla | 1 |
| Sciurus | Sciurus Hosting Panel | 1 |
| Dreamcodes | Scorp Book | 1 |
| Scponly | Scponly | 1 |
| Scramdisk 4 Linux | Scramdisk 4 Linux | 2 |
| Gnu | Screen | 1 |
| Netscreen | Screenos | 1 |
| Gnome | Screensaver | 2 |
| Scribe | Scribe | 2 |
| Script.Aculo.Us | Script.Aculo.Us | 1 |
| Hunkaray Duyuru | Scripti | 1 |
| Scriptmagix | Scriptmagix Faq Builder | 1 |
| Scriptmagix | Scriptmagix Jokes | 1 |
| Scriptmagix | Scriptmagix Lyrics | 1 |
| Scriptmagix | Scriptmagix Photo Rating | 1 |
| Scriptmagix | Scriptmagix Recipes | 1 |
| Supportsoft | Scriptrunner | 1 |
| Scrymud | Scrymud | 1 |
| Lantronix | Scs3200 | 1 |
| Scwiki | Scwiki | 1 |
| Samsung | Scx-4200 Driver | 1 |
| Sun | Sdk | 17 |
| Jboss | Seam | 1 |
| Mozilla | Seamonkey | 35 |
| Maian | Search | 1 |
| Altavista | Search Engine | 1 |
| Aleadsoft.Com | Search Engine Builder Professional | 1 |
| Searchactivity | Searchactivity | 1 |
| Linden Lab | Second Life | 1 |
| Lindenlab | Second Life | 1 |
| Cisco | Secure Access Control Server | 3 |
| Broadcom | Secure Content Manager | 1 |
| Oracle | Secure Enterprise Search | 1 |
