| Yeast Infection Project | 1 | 0 |
| Yeastar | 3 | 3 |
| Yeelight | 1 | 1 |
| Yehe | 1 | 1 |
| Yejiao | 1 | 13 |
| Yektaweb | 1 | 5 |
| Yell | 1 | 0 |
| Yellosoft | 1 | 1 |
| Yellowbook | 1 | 0 |
| Yellowfin | 1 | 1 |
| Yellowfinbi | 2 | 12 |
| Yellowpencil | 1 | 1 |
| Yellowswordfish | 1 | 4 |
| Yelp | 1 | 1 |
| Yenc32 | 1 | 1 |
| Yenerturk | 1 | 1 |
| Yepas | 1 | 2 |
| Yepyep | 1 | 2 |
| Yerba | 1 | 3 |
| Yershop Project | 1 | 1 |
| Yestoken Project | 1 | 1 |
| Yeswiki | 2 | 3 |
| Yet Another Bol.com Plugin | 1 | 1 |
| YetAnotherStarsRating.com | 1 | 1 |
| Yet Another Forum.net | 1 | 1 |
| Yet Another Java Service Wrapper Project | 1 | 0 |
| Yet Another Link Directory | 1 | 1 |
| Yet Another Stars Rating Project | 1 | 1 |
| Yetanotherforum | 1 | 2 |
| Yettiesoft | 1 | 1 |
| Yf-exam Project | 1 | 4 |
| Yfcmf | 1 | 3 |
| Yggdrasil | 1 | 2530 |
| Ygopro | 1 | 0 |
| Yi | 1 | 12 |
| Yiban | 1 | 1 |
| Yifan | 1 | 13 |
| Yigit Aybuga | 1 | 2 |
| Yii2-statemachine | 1 | 1 |
| Yii2cmf Project | 1 | 0 |
| Yii Software | 1 | 9 |
| Yiicms Project | 1 | 1 |
| Yiiframework | 3 | 13 |
| Yikesinc | 1 | 1 |
| Yikyakapp | 1 | 0 |
| Yimihome | 1 | 3 |
| YingZhi | 1 | 1 |
| Yiqicms Project | 1 | 1 |
| Yithemes | 39 | 39 |
| Yitongcoin Project | 1 | 1 |
| Ykc | 1 | 1 |
| Ylctoken Project | 1 | 2 |
| Ymfe | 1 | 3 |
| Ymlref Project | 1 | 1 |
| Ynetinteractive | 2 | 2 |
| Yngve Svendsen | 1 | 2 |
| Ynp | 1 | 1 |
| Yoast | 5 | 9 |
| Yocto Project | 1 | 1 |
| Yodl Project | 1 | 1 |
| Yodobashi | 1 | 1 |
| Yofla | 1 | 1 |
| Yoflash | 1 | 1 |
| Yoga Class Registration System | 1 | 7 |
| Yoga Class Registration System Project | 1 | 1 |
| Yoga Class Script Project | 1 | 1 |
| Yoggie | 2 | 2 |
| Yohsuke Ohkouchi | 1 | 1 |
| Yokkasoft | 8 | 8 |
| Yokogawa | 43 | 41 |
| Yokogawa Electric Corporation | 15 | 55 |
| Yokogawa Rental & Lease Corporation | 3 | 5 |
| Yokogawa Test & Measurement Corporation | 1 | 1 |
| Yola | 2 | 2 |
| Yomecolle | 1 | 1 |
| Yomguithereal | 1 | 1 |
| Yongguang Zhang | 1 | 2 |
| Yongyou | 1 | 1 |
| Yontem Informatics | 1 | 1 |
| Yonyou | 4 | 9 |
| YooMoney | 1 | 2 |
| Yoohoo Plugins | 1 | 1 |
| Yoono | 3 | 3 |
| Yooslider | 1 | 4 |
| Yootheme | 1 | 10 |
| Yop-poll | 1 | 1 |
| Yoran Brault | 1 | 4 |
| Yorba | 1 | 1 |
| Yordam | 1 | 1 |
| Yordam Bilgi Teknolojileri | 1 | 1 |
| Yordam Informatics Systems | 1 | 2 |
| Yordam Information Technologies | 1 | 3 |
| Yoshinori Tahara | 1 | 1 |
| Yosoro Project | 1 | 1 |
| Yottadb | 2 | 46 |
| Yottamark Inc. | 1 | 1 |
| Yotuwp | 1 | 4 |
| YouTube Video Inserter | 1 | 1 |
| Youbin | 1 | 1 |
| Youdiancms | 1 | 4 |
