| Cujo | 1 | 1 |
| Culture Object Project | 1 | 1 |
| Cumulative-Distribution-Function Project | 1 | 1 |
| Cumulusnetworks | 1 | 1 |
| Cuoftexas | 1 | 1 |
| Cuore | 1 | 1 |
| Cupidsystems | 2 | 2 |
| Cuppacms | 1 | 25 |
| Cups | 1 | 11 |
| Cups Easy (Purchase & Inventory) Project | 1 | 1 |
| Cups Easy Project | 1 | 1 |
| Cups-Pk-Helper Project | 1 | 1 |
| Cure53 | 1 | 4 |
| Curecos | 1 | 1 |
| Curiosity Project | 1 | 1 |
| Curl | 2 | 20 |
| Curl Project | 1 | 1 |
| Curling Project | 1 | 1 |
| Curljs Project | 1 | 1 |
| Curlrequest Project | 1 | 1 |
| Curly-Bracket-Parser Project | 1 | 1 |
| Currency Converter Script Project | 1 | 1 |
| Currencyratetoday | 2 | 2 |
| Currencywiki | 1 | 1 |
| Current Book Project | 1 | 1 |
| Current Search Links Project | 1 | 1 |
| Curriculum Evaluation System Project | 1 | 1 |
| Curses Project | 1 | 1 |
| Cursorarts | 1 | 1 |
| Curtain Project | 1 | 1 |
| Curtis Farnham | 1 | 1 |
| Curtis Galloway | 1 | 1 |
| Curtis Hawthorne | 1 | 1 |
| Curtis Specialty Consulting | 1 | 1 |
| Curtiss Grymala | 1 | 1 |
| Curveballjs | 1 | 1 |
| Curveriderhq | 1 | 1 |
| Curvycorners | 1 | 1 |
| Cusg | 1 | 3 |
| Cusmin | 1 | 3 |
| Cusrev | 1 | 8 |
| Custom Banners Project | 1 | 1 |
| Custom Body Class Project | 1 | 2 |
| Custom Content Shortcode Project | 1 | 5 |
| Custom Content Type Manager Project | 1 | 1 |
| Custom Dashboard Widgets Project | 1 | 1 |
| Custom Field For Wp Job Manager Project | 1 | 2 |
| Custom Field Suite Project | 1 | 5 |
| Custom Login Page Project | 1 | 3 |
| Custom Login Redirect Project | 1 | 1 |
| Custom More Link Complete Project | 1 | 1 |
| Custom Popup Builder Project | 1 | 7 |
| Custom Post Type And Taxonomy Gui Manager Project | 1 | 1 |
| Custom Post Type Generator Project | 1 | 1 |
| Custom Post Type Relations Project | 1 | 1 |
| Custom Post View Generator 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 |
| Custom Tinymce Shortcode Button Project | 1 | 1 |
| Custom Website Data Project | 1 | 1 |
| Custom-Content-Width Project | 1 | 1 |
| Custom-Sub-Menus Project | 1 | 1 |
| Custom4Web | 2 | 2 |
| Customcms | 2 | 3 |
| Customer Relationship Management System Project | 1 | 2 |
| Customer Support System Project | 1 | 1 |
| Customerparadigm | 1 | 3 |
| Cuteflow | 1 | 1 |
| Cuteflow-Bin | 1 | 1 |
| Cutenews Aj-Fork | 1 | 1 |
| Cutepdf | 1 | 1 |
| Cutephp | 1 | 38 |
| Cutesite | 1 | 2 |
| Cutesoft | 1 | 1 |
| Cutesoft Components | 2 | 2 |
| Cutting Edge Computing | 1 | 1 |
| Cuttlefish | 1 | 1 |
| Cuttlefish Multimedia Ltd. | 1 | 1 |
| Cuyahoga | 1 | 1 |
| Cuyz | 1 | 1 |
| Cvat | 1 | 2 |
| Cve | 1 | 1 |
| Cvrf-Csaf-Converter Project | 1 | 1 |
| Cvs | 1 | 18 |
| Cvstech | 1 | 1 |
| Cvstrac | 1 | 3 |
| Cvsup | 2 | 3 |
| Cvsweb Developer | 1 | 1 |
| Cvxopt Project | 1 | 1 |
| Cwh Underground | 2 | 2 |
| Cwjoomla | 3 | 3 |
| Cwm-Design | 3 | 4 |
| Cws | 1 | 1 |
| Cws Project | 1 | 1 |
| Cwt Frontend Edit Project | 1 | 1 |
| Cxbsoft | 2 | 7 |
| Cxong | 1 | 1 |
| Cxuu | 1 | 8 |
