| Coinmarketstats | 1 | 2 |
| Coinquer Project | 1 | 1 |
| Coins-Global | 1 | 7 |
| Coinsoft Technologies | 1 | 15 |
| Coinstar Myadvancedtoken Project | 1 | 1 |
| Cointoken Project | 1 | 1 |
| Cointroops Project | 1 | 1 |
| Cokestudio | 1 | 1 |
| Cold Bbs | 1 | 1 |
| Coldgen | 3 | 4 |
| Coleds | 1 | 4 |
| Coleman Watts | 1 | 1 |
| Coles Credit Cards | 1 | 1 |
| Collabcal Project | 1 | 1 |
| Collabnet | 2 | 5 |
| Collabora | 1 | 5 |
| Collaboraoffice | 4 | 6 |
| Collaborative Portal Server Project | 1 | 1 |
| Collabtive | 1 | 5 |
| Collect And Deliver Interface For Woocommerce Project | 1 | 1 |
| Collect.Chat | 1 | 2 |
| Collectd | 1 | 5 |
| Collection.Js Project | 1 | 1 |
| Collective.Contact.Widget Project | 1 | 1 |
| Collective.Dms.Basecontent Project | 1 | 1 |
| Collective.Task Project | 1 | 1 |
| Collectiveaccess | 2 | 3 |
| Collectivecolors | 1 | 1 |
| Collectiveidea | 1 | 1 |
| Collector | 2 | 6 |
| Collectorz | 1 | 1 |
| College Management System Project | 1 | 10 |
| College Publisher Import Project | 1 | 1 |
| College Website Content Management System Project | 1 | 1 |
| College Website Management System Project | 1 | 2 |
| Collne | 2 | 31 |
| Colloquy | 1 | 1 |
| Colony | 4 | 4 |
| Color | 2 | 8 |
| Color-String Project | 1 | 1 |
| Colorbox Node | 1 | 1 |
| Colorbox Project | 1 | 1 |
| Colord Project | 1 | 1 |
| Colored Scripts | 1 | 2 |
| Colorlib | 10 | 18 |
| Colors.Js Project | 1 | 1 |
| Colorscore Project | 1 | 1 |
| Colossusxt | 1 | 1 |
| Colten Edwards | 1 | 4 |
| Columbia | 1 | 1 |
| Columbia University | 1 | 1 |
| Columbiaweather | 1 | 6 |
| Column-Matic Project | 1 | 1 |
| Columnar Project | 1 | 1 |
| Com Colorlab | 1 | 1 |
| Com Janews | 1 | 1 |
| Com Jumi | 1 | 1 |
| Com Sg | 1 | 1 |
| Com Yanc | 1 | 1 |
| Com-Property | 1 | 2 |
| Com2001 | 1 | 2 |
| Com21 | 1 | 1 |
| Comba | 2 | 2 |
| Combilladvancedtoken Project | 1 | 1 |
| Combined Charging System Project | 1 | 1 |
| Combodo | 2 | 51 |
| Combust | 1 | 1 |
| Comcast | 4 | 4 |
| Comdev | 11 | 16 |
| Comelitgroup | 1 | 1 |
| Comelz | 1 | 1 |
| Comersus Open Technologies | 3 | 15 |
| Comet | 1 | 1 |
| Cometbft | 1 | 2 |
| Cometd | 1 | 1 |
| Comfast | 2 | 8 |
| Comfast Project | 1 | 5 |
| Comforte | 1 | 1 |
| Comicshout | 1 | 2 |
| Comicsmart | 1 | 1 |
| Comicsplusapp | 1 | 1 |
| Comingchina | 1 | 1 |
| Comix | 1 | 2 |
| Commax | 1 | 1 |
| Comment Engine Pro Project | 1 | 1 |
| Comment Guestbook Project | 1 | 1 |
| Comment Highlighter Project | 1 | 1 |
| Comment License Project | 1 | 1 |
| Comment Reply Notification Project | 1 | 1 |
| Comment System Project | 1 | 1 |
| Commentapp.Stetsonwood Project | 1 | 1 |
| Commentluv | 1 | 1 |
| Commerce | 1 | 1 |
| Commerce Balanced Payments Project | 1 | 1 |
| Commerce Ogone Project | 1 | 1 |
| Commerceguys | 2 | 3 |
| Commercial Interactive Media | 1 | 1 |
| Commodityrentals | 7 | 7 |
| Common Controls Replacement Project | 2 | 3 |
| Common Desktop Environment Project | 1 | 1 |
