| Y&K Iletisim Formu | 1 | 1 |
| Y-Blog | 1 | 2 |
| Y-Cam | 18 | 54 |
| Y.Sak | 1 | 1 |
| Y18N Project | 1 | 1 |
| Yabasic | 1 | 2 |
| Yabb | 2 | 28 |
| Yabbforumsoftware | 1 | 1 |
| Yabsoft | 2 | 7 |
| Yacc | 1 | 1 |
| Yachtcontrol | 1 | 1 |
| Yada Wiki Project | 1 | 1 |
| Yadifa | 1 | 1 |
| Yadm Project | 1 | 1 |
| Yaffshiv Project | 1 | 1 |
| Yafu Project | 1 | 1 |
| Yager Development | 1 | 2 |
| Yahei | 1 | 1 |
| Yahoo | 15 | 66 |
| Yahoo! Updates For Wordpress Plugin Project | 1 | 1 |
| Yajl Project | 1 | 1 |
| Yajl-Ruby Project | 1 | 2 |
| Yaklang | 1 | 1 |
| Yalehome | 1 | 1 |
| Yamaguchi | 1 | 1 |
| Yamaha | 57 | 115 |
| Yamamah | 1 | 5 |
| Yamamoto Hirotaka | 1 | 1 |
| Yamaps Project | 1 | 1 |
| Yambyo Project | 1 | 1 |
| Yaml Project | 1 | 4 |
| Yaml-Cpp Project | 1 | 6 |
| Yaml-Fuer-Drupal | 1 | 1 |
| Yaml-Rust Project | 1 | 2 |
| Yamldotnet Project | 1 | 1 |
| Yamt | 1 | 3 |
| Yana Framework | 1 | 1 |
| Yanco | 1 | 1 |
| Yandex | 8 | 40 |
| Yandex Metrica Counter Project | 1 | 1 |
| Yandex.Metrics Project | 1 | 1 |
| Yanf | 1 | 1 |
| Yanick Bourbeau | 1 | 2 |
| Yaniv Aran-Shamir | 1 | 1 |
| Yank-Note | 1 | 1 |
| Yann Collet | 1 | 1 |
| Yannick Tanguy | 1 | 4 |
| Yanocc | 1 | 1 |
| Yanzhenjie | 1 | 1 |
| Yaofache | 1 | 1 |
| Yap | 1 | 1 |
| Yapbb | 1 | 4 |
| Yapig | 1 | 12 |
| Yappa-Ng | 1 | 3 |
| Yappli | 1 | 1 |
| Yarck | 1 | 1 |
| Yard Radius | 1 | 3 |
| Yard Radius Project | 1 | 4 |
| Yardoc | 1 | 2 |
| Yargs | 1 | 1 |
| Yarnpkg | 2 | 6 |
| Yarpp | 2 | 7 |
| Yarssr | 1 | 1 |
| Yasglobal | 3 | 3 |
| Yasglobalizer | 1 | 1 |
| Yasinkaplan | 1 | 3 |
| Yasirpro | 1 | 1 |
| Yasm Project | 1 | 16 |
| Yasr - Yet Another Stars Rating Project | 1 | 1 |
| Yassl | 3 | 8 |
| Yast | 2 | 2 |
| Yast2-Rmt Project | 1 | 1 |
| Yasudem Project | 1 | 1 |
| Yate | 1 | 1 |
| Yatsoft | 1 | 2 |
| Yavijava | 1 | 1 |
| Yawcam | 1 | 1 |
| Yawp | 1 | 1 |
| Yaws | 2 | 11 |
| Yaxim | 2 | 2 |
| Yaycommerce | 1 | 5 |
| Yayoi-Kk | 6 | 12 |
| Yazd | 1 | 1 |
| Yaztekteknoloji | 1 | 1 |
| Yblog | 1 | 1 |
| Yccms | 1 | 3 |
| Ychat | 1 | 1 |
| Yclas | 1 | 1 |
| Ydb | 2 | 2 |
| Ydesignservices | 1 | 2 |
| Yeager | 1 | 5 |
| Yeahlink | 3 | 6 |
| Yealink | 23 | 31 |
| Yearning | 1 | 1 |
| Yeast Infection Project | 1 | 1 |
| Yeastar | 3 | 3 |
| Yeelight | 2 | 2 |
| Yehe | 1 | 1 |
| Yejiao | 1 | 5 |
| Yeken | 1 | 1 |
