| Controlled-merge Project | 1 | 1 |
| Contentful | 1 | 1 |
| Content2web | 1 | 1 |
| Content Staging Project | 1 | 1 |
| Conrad Hotel Project | 1 | 1 |
| Conqueue Project | 1 | 1 |
| Connie-lang Project | 1 | 1 |
| Contenite | 1 | 1 |
| Contelligent | 1 | 1 |
| Constantin Charissis | 1 | 1 |
| Connectbot | 1 | 1 |
| Contactus | 1 | 1 |
| Consulo | 1 | 1 |
| Conquer-once Project | 1 | 1 |
| Contact Form Advanced Database Project | 1 | 1 |
| Console Project | 1 | 1 |
| Containous | 1 | 1 |
| Content Construction Kit Project | 1 | 1 |
| Contempo | 1 | 1 |
| Connection-tester Project | 1 | 1 |