| Contenite | 1 | 1 |
| Contens | 1 | 2 |
| Content Audit Project | 1 | 2 |
| Content Cards Project | 1 | 2 |
| Content Construction Kit Project | 1 | 4 |
| Content Copy Protection & Prevent Image Save Project | 1 | 1 |
| Content Management System Project | 1 | 19 |
| Content Now | 1 | 1 |
| Content Project | 1 | 1 |
| Content Rating Extbase Project | 1 | 2 |
| Content Rating Project | 1 | 2 |
| Content Staging | 1 | 1 |
| Content Staging Project | 1 | 1 |
| Content Text Slider On Post Project | 1 | 1 |
| Content*builder | 1 | 2 |
| Content2web | 1 | 1 |
| Contentcustomizer | 1 | 2 |
| Contentful | 1 | 1 |
| Contentkeeper Technologies | 1 | 1 |
| Contentlion | 1 | 1 |
| Contentserv | 1 | 3 |
| Contentstudio | 1 | 3 |
| Contest Gallery | 1 | 28 |
| Contest-gallery | 1 | 28 |
| Context Project | 1 | 6 |
| Conti | 1 | 3 |
| Contiki-ng | 2 | 46 |
| Contiki-ng Project | 1 | 41 |
| Contiki-os | 2 | 22 |
| Contimex | 1 | 1 |
| Contra Haber Sistemi | 1 | 1 |
| Contractorscripts | 1 | 1 |
| Contrastsecurity | 1 | 1 |
| Contray | 1 | 1 |
| Contribsys | 2 | 6 |
| Contrid | 1 | 1 |
| Control-webpanel | 1 | 80 |
| Controlbyweb | 2 | 4 |
| Controlled-merge Project | 1 | 1 |
| Controlsystemworks | 1 | 2 |
| Controlup | 2 | 2 |
| Controlzx | 1 | 4 |
| Contronics | 1 | 1 |
| Contussupport | 1 | 1 |
| Conva | 1 | 1 |
| Convergine | 1 | 1 |
| Conversador Project | 1 | 1 |
| Conversations | 1 | 1 |
| Conversejs | 1 | 2 |
| Conversionninja | 1 | 1 |
| Convert | 1 | 1 |
| Convert Forms Project | 1 | 1 |
| Convert-svg-core Project | 1 | 4 |
| Converto Video Downloader & Converter Project | 1 | 1 |
| Convertplug | 1 | 2 |
| Convirture | 1 | 1 |
| Convos | 1 | 4 |
| Convos-chat | 1 | 4 |
| Conxint | 1 | 1 |
| Cookex | 1 | 2 |
| Cookie Project | 1 | 1 |
| Cookie-bar Project | 1 | 1 |
| Cookie-signature Project | 1 | 1 |
| Cookiehub | 1 | 1 |
| Cookieinformation | 1 | 3 |
| Cookielawinfo | 1 | 2 |
| Cookiex-deep Project | 1 | 1 |
| Cookpad | 2 | 2 |
| Cool Cafe Chat | 1 | 2 |
| Cool Video Gallery Project | 1 | 1 |
| Coolforum | 1 | 2 |
| Coolkit | 1 | 3 |
| Coolmenus | 1 | 1 |
| Coolpad | 8 | 19 |
| Coolpdf | 1 | 1 |
| Coolphp | 4 | 4 |
| Coolplayer | 1 | 6 |
| Coolplugins | 2 | 2 |
| Coolrecordedit | 1 | 1 |
| Cooolsoft | 2 | 5 |
| Cooperindustries | 4 | 7 |
| Copadata | 3 | 14 |
| Copay | 1 | 1 |
| Copernicus | 1 | 1 |
| Copperleaf | 1 | 1 |
| Coppermine | 1 | 27 |
| Coppermine Gallery | 1 | 1 |
| Coppermine-gallery | 2 | 54 |
| Copperwall | 1 | 1 |
| Copy Delete Posts | 1 | 1 |
| Copy-me Project | 1 | 1 |
| Copydeleteposts | 1 | 3 |
| Copymatic | 1 | 1 |
| Coquinhoerc20 Project | 1 | 1 |
| Cor Entertainment | 2 | 5 |
| Cor-entertainment | 1 | 1 |
| Corazawaf | 1 | 1 |
| Cordaware | 1 | 2 |
| Cordova Plugin Fingerprint All-in-one Project | 1 | 1 |
| Core Ftp | 1 | 18 |
