| Cstring Project | 1 | 1 |
| Csv-import-export Project | 1 | 1 |
| Csv-parse Project | 1 | 1 |
| Csv-safe Project | 1 | 1 |
| Csv-sniffer Project | 1 | 1 |
| Csv2wpec-coupon Project | 1 | 0 |
| Csystems | 1 | 1 |
| Cszcms | 2 | 27 |
| Ctb Project | 1 | 1 |
| Ctdb Project | 1 | 1 |
| Cte | 1 | 1 |
| Ctekproducts | 3 | 3 |
| Ctera | 1 | 1 |
| Ctest7 Project | 1 | 1 |
| Ctfd | 1 | 0 |
| Cththemes | 5 | 2 |
| Ctihub | 1 | 0 |
| Ctolog | 1 | 6 |
| Ctparental Project | 1 | 3 |
| Ctrip | 1 | 3 |
| Cts Projects\&software | 1 | 0 |
| Ctw Design | 1 | 1 |
| CubeCart Limited | 1 | 6 |
| Cubecart | 1 | 3 |
| Cubecoders | 1 | 2 |
| Cuberite | 1 | 1 |
| Cubettechnologies | 1 | 13 |
| Cubicfactory | 1 | 0 |
| Cubiclesoft | 1 | 1 |
| Cubot | 1 | 1 |
| Cuby | 1 | 3 |
| Cudy | 1 | 3 |
| Cujo | 1 | 1 |
| Cumulusnetworks | 1 | 1 |
| Cuoftexas | 1 | 0 |
| Cuore | 1 | 1 |
| Cupidsystems | 2 | 2 |
| Cuppacms | 1 | 21 |
| Cups | 1 | 99 |
| Cups-pk-helper Project | 1 | 1 |
| Cups Easy \(purchase \& Inventory\) Project | 1 | 0 |
| Cups Easy Project | 1 | 0 |
| Cure53 | 1 | 1 |
| Curecos | 1 | 0 |
| Curiosity-org | 1 | 1 |
| Curl | 2 | 141 |
| Curl Project | 1 | 94 |
| Curling Project | 1 | 0 |
| Curljs Project | 1 | 1 |
| Curlrequest Project | 1 | 1 |
| Curly-bracket-parser Project | 1 | 1 |
| Currency.Wiki | 1 | 1 |
| CurrencyRate.today | 2 | 2 |
| Currency Converter Script Project | 1 | 1 |
| Current Search Links Project | 1 | 1 |
| Curriculum Evaluation System Project | 1 | 1 |
| Cursorarts | 1 | 1 |
| Curtis Farnham | 1 | 1 |
| Curtis Galloway | 1 | 2 |
| Curtis Hawthorne | 1 | 1 |
| Curtis Specialty Consulting | 1 | 1 |
| Curtiss Grymala | 1 | 1 |
| Curveriderhq | 1 | 9 |
| Curvycorners | 1 | 1 |
| CusRev | 1 | 3 |
| Cusmin | 1 | 1 |
| Custom Menu Plugin | 1 | 1 |
| Custom Post Type Relations | 1 | 1 |
| Custom Website Data | 1 | 1 |
| Custom-content-width Project | 1 | 1 |
| Custom4Web | 2 | 2 |
| Custom Banners Project | 1 | 0 |
| Custom Content Type Manager Project | 1 | 1 |
| Custom Field Suite Project | 1 | 1 |
| Custom Search Project | 1 | 1 |
| Custom Searchable Data Entry System Project | 1 | 1 |
| Custom Simple Rss Project | 1 | 1 |
| Custom T-shirt Ecommerce Script Project | 1 | 1 |
| Customcms | 2 | 4 |
| Customer Relationship Management System Project | 1 | 2 |
| Customerparadigm | 1 | 3 |
| CutePHP.com | 1 | 0 |
| Cuteflow | 1 | 4 |
| Cuteflow-bin | 1 | 1 |
| Cutenews Aj-fork | 1 | 1 |
| Cutepdf | 1 | 1 |
| Cutephp | 1 | 1 |
| Cutesite | 1 | 2 |
| Cutesoft | 1 | 0 |
| Cutesoft Components | 2 | 3 |
| Cutting Edge Computing | 1 | 1 |
| Cuttlefish | 1 | 2 |
| Cuttlefish Multimedia Ltd. | 1 | 2 |
| CuyZ | 1 | 1 |
| Cuyahoga | 1 | 1 |
| Cvrf-csaf-converter Project | 1 | 1 |
| Cvs | 1 | 3 |
| Cvstrac | 1 | 3 |
| Cvsup | 2 | 3 |
| Cvsweb Developer | 1 | 2 |
