| Topaz | 1 | 1 |
| Topazsystems | 1 | 3 |
| Topcmm Computing | 1 | 2 |
| Topcon | 1 | 2 |
| Topconpositioning | 1 | 1 |
| Topdesk | 1 | 4 |
| Topdigitaltrends | 1 | 1 |
| Topfreegames | 1 | 1 |
| Topgames | 1 | 1 |
| Topher1kenobe | 1 | 1 |
| Tophub | 1 | 2 |
| Topicsviewer | 1 | 1 |
| Toplayer | 2 | 2 |
| Topline Systems | 1 | 1 |
| Topmanage | 2 | 3 |
| Topnew | 1 | 2 |
| Toppe | 1 | 1 |
| Topper | 1 | 2 |
| Topscoinadvanced Project | 1 | 1 |
| Topydo | 1 | 1 |
| Tor | 1 | 95 |
| Tor Browser Launcher Project | 1 | 1 |
| Tor Browser The Short Guide Project | 1 | 1 |
| Tor Project | 1 | 97 |
| Tor World | 11 | 15 |
| Torben Sorensen | 1 | 1 |
| Torbstoff | 1 | 1 |
| Torch Gmbh | 1 | 1 |
| Torchsoft | 1 | 1 |
| Torguard | 1 | 5 |
| Toribash | 1 | 7 |
| Tornado | 1 | 1 |
| Tornadostore | 1 | 2 |
| Tornadoweb | 1 | 6 |
| Torpedoquery | 1 | 1 |
| Torproject | 2 | 65 |
| Torrentflux | 2 | 19 |
| Torrentflux Project | 1 | 17 |
| Torrential | 1 | 2 |
| Torrentstrike | 1 | 1 |
| Torrenttrader | 2 | 18 |
| Torrenttrader Project | 1 | 10 |
| Torrnad0 | 1 | 1 |
| Tortall | 1 | 29 |
| Tortoisecvs | 1 | 1 |
| Tortoisesvn | 1 | 3 |
| Tosec | 1 | 1 |
| Toshiaki Kanosue | 1 | 1 |
| Toshiba | 21 | 28 |
| Toshiba Corporation | 9 | 11 |
| Toshiba Electronic Devices & Storage Corporation | 1 | 1 |
| Toshiba Lighting & Technology Corporation | 3 | 15 |
| Toshibacommerce | 1 | 0 |
| Toshibatec | 66 | 62 |
| Tosmo Mambo | 1 | 2 |
| Total-soft | 1 | 1 |
| TotalPress.org | 1 | 1 |
| Total Commander | 1 | 7 |
| Total Online Solutions | 1 | 7 |
| Total Pc Solutions | 1 | 1 |
| Totalav | 2 | 2 |
| Totalcms | 1 | 1 |
| Totaldefense | 1 | 41 |
| Totalecommerce | 1 | 1 |
| Totaljs | 7 | 79 |
| Totalonlinesolutions | 1 | 7 |
| Totalplayer | 1 | 2 |
| Totalshopuk | 1 | 5 |
| Totalsoft | 1 | 2 |
| Totd Project | 1 | 2 |
| Totemo | 4 | 8 |
| Totolink | 66 | 547 |
| Totvs | 1 | 1 |
| Touch Control | 1 | 1 |
| Touchnote | 1 | 1 |
| Touchpal | 1 | 1 |
| Toughtomato | 1 | 1 |
| Toumorokoshi | 1 | 1 |
| Tourismscripts | 3 | 3 |
| Tournament Project | 1 | 1 |
| Toursmanager | 1 | 2 |
| Touteresa | 1 | 1 |
| Toutvirtual | 1 | 6 |
| Towels | 1 | 1 |
| Towerblog | 1 | 1 |
| Toxi | 1 | 1 |
| Toxiclab | 1 | 9 |
| Toxsoft | 1 | 1 |
| Toybox Project | 1 | 1 |
| Toyota | 1 | 1 |
| Toyotaownersclub | 1 | 1 |
| Tp | 1 | 1 |
| Tp-link | 308 | 1626 |
| Tp-shop | 2 | 3 |
| Tp4a | 1 | 7 |
| Tp5cms Project | 1 | 5 |
| Tpcms Project | 1 | 5 |
| Tpl Design | 2 | 2 |
| Tpm2-tools Project | 1 | 1 |
| Tpm2 Software Stack Project | 1 | 1 |
