| Turbogears | 1 | 2 |
| Turbogears Project | 1 | 1 |
| Turbolinux | 9 | 86 |
| Turbosoft | 1 | 2 |
| Turbotraffictrader | 2 | 3 |
| Turbovnc | 1 | 1 |
| Turbowarp | 1 | 1 |
| Turck | 4 | 4 |
| Turcom | 1 | 1 |
| Turdcoin Project | 1 | 1 |
| Turing | 1 | 1 |
| Turn Off All Comments Project | 1 | 1 |
| Turn! Project | 1 | 1 |
| Turn-K | 1 | 1 |
| Turnatasarim | 1 | 1 |
| Turnkey Solutions | 1 | 4 |
| Turnkey Web Tools | 3 | 11 |
| Turnkeyarcade | 1 | 2 |
| Turnkeyforms | 6 | 12 |
| Turnkeylinux | 1 | 1 |
| Turnkeywebtools | 2 | 5 |
| Turt2Live | 1 | 2 |
| Turtus | 1 | 1 |
| Turuncu Portal | 1 | 1 |
| Tus-Radis | 1 | 1 |
| Tussendoor | 1 | 1 |
| Tuta | 1 | 3 |
| Tutorial-Share | 1 | 1 |
| Tutorlms | 1 | 1 |
| Tutos | 1 | 4 |
| Tutti Nova | 1 | 3 |
| Tuttophp | 4 | 4 |
| Tux Cms | 1 | 1 |
| Tux Racer | 1 | 2 |
| Tuxbr | 1 | 1 |
| Tuxera | 1 | 32 |
| Tuxfamily | 1 | 10 |
| Tuxplanet | 1 | 4 |
| Tuyoshi | 1 | 1 |
| Tuzicms | 1 | 9 |
| Tuzicms Project | 1 | 2 |
| Tuzitio | 1 | 8 |
| Tvbengali | 1 | 1 |
| Tvdr | 1 | 1 |
| Tversity | 1 | 1 |
| Tvguide Project | 1 | 1 |
| Tvmobili | 1 | 1 |
| Tvsmotor | 1 | 1 |
| Tvt | 3 | 4 |
| Tw Productfinder | 1 | 1 |
| Twca | 1 | 1 |
| Twcms | 1 | 1 |
| Twd-Industries | 1 | 1 |
| Tweaked | 1 | 1 |
| Tweakfs | 1 | 1 |
| Tweedegolf | 1 | 1 |
| Tweepy | 1 | 1 |
| Tweet-Blender | 1 | 1 |
| Tweetscribe Project | 1 | 1 |
| Tweetstream Project | 1 | 1 |
| Twelvemonkeys Project | 1 | 1 |
| Twenty20 Project | 1 | 1 |
| Twentytwenty.Storage Project | 1 | 1 |
| Twibright | 1 | 4 |
| Twibright Labs | 1 | 1 |
| Twiddit Project | 1 | 1 |
| Twig Development Team | 1 | 3 |
| Twiki | 2 | 30 |
| Twilight Utilities | 1 | 2 |
| Twilightcms | 1 | 3 |
| Twilio | 3 | 3 |
| Twilio Project | 1 | 1 |
| Twimp-Wp Project | 1 | 1 |
| Twin Lin Project | 1 | 1 |
| Twinkletoessoftware | 1 | 3 |
| Twinkletray | 1 | 1 |
| Twinoakscomputing | 1 | 1 |
| Twinpictures | 3 | 8 |
| Twisted | 1 | 7 |
| Twistedmatrix | 3 | 14 |
| Twistlock | 1 | 1 |
| Twitget Project | 1 | 2 |
| Twitter | 6 | 9 |
| Twitter Friends Widget Project | 1 | 1 |
| Twitter Liveblog Project | 1 | 1 |
| Twitter Project | 1 | 1 |
| Twitter Pull Project | 1 | 1 |
| Twitter-Post-Fetcher Project | 1 | 1 |
| Twitter-Stream Project | 1 | 1 |
| Twitterdash Project | 1 | 1 |
| Twmap Project | 1 | 2 |
| Two Pilots | 1 | 1 |
| Two Shoes Mambo Factory | 1 | 1 |
| Twofactorauth Project | 1 | 1 |
| Twofold Photos | 1 | 1 |
| Twothink Project | 1 | 1 |
| Twsz | 2 | 5 |
| Txjia | 1 | 16 |
| Txtblogcms | 1 | 1 |
| Txtforum | 1 | 2 |
