| Content2Web | 1 | 1 |
| Contentcustomizer | 1 | 2 |
| Contentful | 1 | 1 |
| Contentkeeper Technologies | 1 | 1 |
| Contentlion | 1 | 1 |
| Contentmap Project | 1 | 1 |
| Contentserv | 1 | 3 |
| Contentstudio | 1 | 3 |
| Contentviewspro | 1 | 1 |
| Contest Gallery | 1 | 25 |
| Contest-Gallery | 1 | 24 |
| Context Project | 1 | 1 |
| Contextureintl | 1 | 1 |
| Conti | 1 | 3 |
| Contiki-Ng | 3 | 72 |
| Contiki-Ng Project | 1 | 1 |
| Contiki-Os | 2 | 15 |
| Contimex | 1 | 1 |
| Continew | 1 | 2 |
| Contra Haber Sistemi | 1 | 1 |
| Contract Management System Project | 1 | 1 |
| Contractorscripts | 1 | 1 |
| Contrastsecurity | 1 | 1 |
| Contray | 1 | 1 |
| Contribsys | 2 | 5 |
| Control Id Panel Project | 1 | 1 |
| Control-Webpanel | 1 | 80 |
| Controlbyweb | 6 | 7 |
| Controlid | 2 | 3 |
| Controlled-Merge Project | 1 | 1 |
| Controlsystemworks | 1 | 2 |
| Controlup | 3 | 3 |
| Controlzx | 1 | 1 |
| Contronics | 1 | 1 |
| Contus | 1 | 1 |
| Contussupport | 1 | 1 |
| Conva | 1 | 1 |
| Convergine | 1 | 1 |
| Conversador Project | 1 | 1 |
| Conversations | 1 | 1 |
| Conversejs | 1 | 2 |
| Conversionninja | 1 | 1 |
| Conversios | 1 | 4 |
| Convert Forms Project | 1 | 1 |
| Convert-Svg Project | 1 | 1 |
| Convert-Svg-Core Project | 1 | 3 |
| Convert2Rhel Project | 1 | 3 |
| Convert::Asn1 Project | 1 | 1 |
| Convertbox | 1 | 1 |
| Convertkit | 1 | 3 |
| Converto Video Downloader & Converter Project | 1 | 1 |
| Convertplug | 1 | 1 |
| Convirture | 1 | 1 |
| Convos | 1 | 4 |
| Conxint | 1 | 1 |
| Cookex | 1 | 2 |
| Cookie Monster Project | 1 | 1 |
| Cookie Project | 1 | 1 |
| Cookie-Bar Project | 1 | 1 |
| Cookie-Signature Project | 1 | 1 |
| Cookiecutter Project | 1 | 1 |
| Cookieinformation | 1 | 2 |
| Cookiejar Project | 1 | 1 |
| Cookielawinfo | 1 | 1 |
| Cookiex-Deep Project | 1 | 1 |
| Cookpad | 2 | 2 |
| Cool Cafe Chat | 1 | 2 |
| Cool Video Gallery Project | 1 | 1 |
| Cool-Php-Captcha Project | 1 | 1 |
| Coolforum | 1 | 6 |
| Coolkit | 1 | 3 |
| Coolmenus | 1 | 1 |
| Coolpad | 4 | 8 |
| Coolpdf | 1 | 1 |
| Coolphp | 4 | 4 |
| Coolplayer | 1 | 5 |
| Coolplugins | 11 | 15 |
| Coolrecordedit | 1 | 1 |
| Cooolsoft | 2 | 9 |
| Cooperindustries | 4 | 7 |
| Copadata | 3 | 7 |
| Copay | 1 | 1 |
| Copernicus | 1 | 1 |
| Copify | 1 | 1 |
| Copperleaf | 1 | 1 |
| Coppermine | 1 | 35 |
| Coppermine-Gallery | 2 | 19 |
| Copy-Delete-Posts | 1 | 2 |
| Copy-Me Project | 1 | 1 |
| Copymatic | 1 | 2 |
| Copyparty Project | 1 | 2 |
| Coquinhoerc20 Project | 1 | 1 |
| Cor Entertainment | 2 | 5 |
| Cor-Entertainment | 1 | 1 |
| Coraza | 1 | 1 |
| Cordaware | 1 | 2 |
| Cordova Plugin Fingerprint All-In-One Project | 1 | 1 |
| Core Ftp | 1 | 1 |
| Core Security Technologies | 1 | 2 |
| Core Tweaks Wp Setup Project | 1 | 1 |
