| Suse | Caas Platform | 3 |
| M Williams | Cab Grid | 1 |
| Unknown | Cab Fare Calculator | 1 |
| Cab Booking Script Project | Cab Booking Script | 2 |
| It-direkt | Cabacos Web Cms | 1 |
| Microsoft | Cabarc | 1 |
| Funlabs | Cabelas Big Game Hunter 2004 Season | 2 |
| Funlabs | Cabelas Big Game Hunter 2005 | 2 |
| Funlabs | Cabelas Dangerous Hunts | 2 |
| Funlabs | Cabelas Deer Hunt 2005 Season | 2 |
| Cabextract Project | Cabextract | 8 |
| Hybrid Network | Cable Modem | 1 |
| Arachnys | Cabot | 2 |
| Cabron Connector | Cabron Connector | 1 |
| Cacert | Cacert | 1 |
| Cache Project | Cache | 7 |
| Doctrine-project | Cache | 7 |
| Intersystems | Cache | 7 |
| Unknown | Cache Images | 1 |
| Intersystems | Cache Database | 6 |
| Cisco | Cache Engine | 3 |
| Cisco | Cache Engine 505 | 1 |
| Cisco | Cache Engine 550 | 1 |
| Cisco | Cache Engine 570 | 1 |
| Cached-path-relative Project | Cached-path-relative | 1 |
| Moreover.com | Cached Feed.cgi Script | 1 |
| Bluecoat | Cacheflow | 1 |
| Cacheguard | Cacheguardos | 0 |
| Bluecoat | Cacheos | 2 |
| Cacheflow | Cacheos | 2 |
| Bluecoat | Cacheos Ca Sa | 3 |
| Fiveai | Cachet | 4 |
| Cacti | Cacti | 92 |
| The Cacti Group | Cacti | 104 |
| Cactushop | Cactushop | 3 |
| Cactusoft | Cactushop | 5 |
| Cactusoft | Cactushop Lite | 1 |
| Cactusvpn | Cactusvpn | 2 |
| Arris | Cadant C3 Cmts | 1 |
| Webdav | Cadaver | 1 |
| Smiths-medical | Cadd-solis Medication Safety Software | 2 |
| Caddy Project | Caddy | 7 |
| Caddyserver | Caddy | 7 |
| Tribe Interactive | Caddy – Smart Side Cart For WooCommerce | 1 |
| Falktx | Cadence | 2 |
| Cadenix | Cadenix | 1 |
| Irfanview | Cadimage | 15 |
| Cadpage | Cadpage | 0 |
| Cronosys | Cadre Php Framework | 1 |
| Conceptronic | Cadslr1 Adsl Router | 1 |
| Gehealthcare | Cadstream Server Firmware | 1 |
| Oracle | Cadview-3d | 1 |
| Unknown | Cafe Bistro | 1 |
| Cafe Billing System Project | Cafe Billing System | 1 |
| Curtiss Grymala | Cag Cms | 1 |
| Cahier De Textes | Cahier De Textes | 4 |
| Oxid | Cain And Abel | 2 |
| Cairographics | Cairo | 9 |
| Red Hat, Inc. | Cairo | 8 |
| Redhat | Cairo | 11 |
| Kozea | CairoSVG | 2 |
| Avaya | Cajun M770-atm | 1 |
| Avaya | Cajun P130 | 1 |
| Avaya | Cajun P330 | 1 |
| Avaya | Cajun P550 | 1 |
| Avaya | Cajun P550r | 1 |
| Avaya | Cajun P580 | 1 |
| Avaya | Cajun P880 | 1 |
| Avaya | Cajun P882 | 1 |
| Cakefoundation | Cakephp | 8 |
| Cakephp | Cakephp | 4 |
| Jayj | Cakifo | 0 |
| Mario Matzulla | Cal | 2 |
| Calamares | Calamares | 2 |
| Calamine Project | Calamine | 1 |
| Apache | Calcite | 1 |
| Brown Bear Software | Calcium | 2 |
| CodePeople | Calculated Fields Form | 1 |
| Codepeople | Calculated Fields Form | 1 |
| Unknown | Calculator Builder | 1 |
| Rama-palaniappan | Calculatorapp | 0 |
| Caldera | Caldera | 11 |
| Mitre | Caldera | 15 |
| Unknown | Caldera Forms Google Sheets Connector | 1 |
| Unknown | Caldera Forms – More Than Contact Forms | 2 |
| Desertsnowman, Shelob9 | CalderaWP License Manager (WordPress Plugin) | 1 |
| Calderalabs | Caldera Forms | 1 |
| Karen Stevenson | Calendar | 13 |
| Kieranoshea | Calendar | 12 |
| Mail.ru | Calendar | 12 |
| Samsung Mobile | Calendar | 12 |
| Synology | Calendar | 12 |
| Unknown | Calendar Event Multi View | 2 |
| Unspecified | CalendarXP | 1 |
| Mario Matzulla | Calendar Base | 1 |
| Calendar Event Management System Project | Calendar Event Management System | 2 |
| Dale Mooney | Calendar Events | 1 |
| Php Lite | Calendar Express | 4 |
| Ocean12 Technologies | Calendar Manager | 1 |
| Ocean12 Technologies | Calendar Manager Pro | 4 |
