| Corephp | 2 | 1 |
| Corero | 1 | 2 |
| Cornel Raiu | 1 | 2 |
| Cornelisnetworks | 2 | 2 |
| Corner Project | 1 | 1 |
| Cornerstone Project | 1 | 3 |
| Corntree | 1 | 0 |
| Coronamatrix | 1 | 4 |
| Corosync | 1 | 1 |
| Corporater | 1 | 2 |
| Correos | 1 | 1 |
| Corsair | 4 | 4 |
| Corusent | 1 | 0 |
| Corveda | 1 | 1 |
| Cory Lamle | 1 | 9 |
| Coscale Agent Project | 1 | 0 |
| Coscms | 1 | 1 |
| Coship | 5 | 9 |
| Cosign | 1 | 2 |
| Cosmetics And Beauty Product Online Store Project | 1 | 2 |
| Cosmicperl | 1 | 3 |
| Cosmicphp | 1 | 2 |
| Cosmin Truta | 1 | 11 |
| Cosmocms | 1 | 1 |
| Cosmoshop | 1 | 8 |
| Cosmotokenerc20 Project | 1 | 1 |
| Cosori | 1 | 2 |
| Cososys | 2 | 2 |
| Cospas-sarsat | 1 | 1 |
| Cotonti | 1 | 3 |
| Coturn Project | 1 | 0 |
| Couchbase | 4 | 42 |
| Couchcms | 2 | 2 |
| Count Per Day Project | 1 | 3 |
| Counterchaos | 1 | 1 |
| Counterintuition | 1 | 0 |
| Counterpane | 2 | 5 |
| Counterpath | 2 | 2 |
| Countersoft | 1 | 1 |
| Countly | 1 | 2 |
| Couponcabin - Coupons \& Deals Project | 1 | 0 |
| Couponphp | 1 | 2 |
| Couponscript | 1 | 2 |
| Courier-mta | 2 | 5 |
| Courier Management System Project | 1 | 7 |
| Courion | 1 | 0 |
| Course Registration Management System Project | 1 | 1 |
| Courseforum | 1 | 1 |
| Covechurch | 1 | 0 |
| Covercms Project | 1 | 1 |
| Covesa | 1 | 2 |
| Covetfashion | 1 | 0 |
| Covid-19 Directory On Vaccination System Project | 1 | 4 |
| Covid 19 Testing Management System Project | 1 | 1 |
| Covid 19 Travel Pass Management Project | 1 | 1 |
| Covid 19 Travel Pass Management System Project | 1 | 9 |
| Covide Groupware-crm | 1 | 1 |
| Cowiki | 1 | 1 |
| Cowon America | 3 | 11 |
| Cowonamerica | 1 | 1 |
| Cows | 1 | 1 |
| Coxco Support | 8 | 13 |
| Coyav Travel | 1 | 1 |
| Coyoapp | 1 | 1 |
| Cozmoslabs | 5 | 11 |
| Cozmoslabs, Madalin Ungureanu, Antohe Cristian | 1 | 1 |
| Cozy | 1 | 1 |
| Cp Multi View Event Calendar Project | 1 | 0 |
| Cp Reservation Calender Project | 1 | 1 |
| Cpa Lead Reward Script Project | 1 | 1 |
| Cpaint | 1 | 4 |
| Cpan | 2 | 2 |
| Cpan\ | 1 | 17 |
| Cpanel | 5 | 382 |
| Cpanel-host | 1 | 6 |
| Cpanpm Project | 1 | 1 |
| Cpcommerce | 1 | 11 |
| Cpcommerce Project | 1 | 11 |
| Cpe17 | 1 | 1 |
| Cpecreator | 1 | 1 |
| Cpg-nuke | 2 | 5 |
| Cplay | 1 | 1 |
| Cplinks | 2 | 3 |
| Cpp-httplib Project | 1 | 2 |
| Cpp-peglib Project | 1 | 2 |
| Cppchecksolutions | 1 | 1 |
| Cppcms | 1 | 1 |
| Cprime | 1 | 1 |
| Cpuid | 1 | 2 |
| Cpuminer Project | 1 | 0 |
| Cqu Lankers Project | 1 | 1 |
| Crackalaka | 1 | 1 |
| Cracklib Project | 1 | 1 |
| Cradlepoint | 4 | 4 |
| Craftcms | 1 | 26 |
| Craftedweb Project | 1 | 2 |
| Crafter Software | 1 | 12 |
| CrafterCMS | 1 | 2 |
| Craftercms | 1 | 0 |
| Craftsilicon | 1 | 1 |
