| CleanTalk | 1 | 2 |
| Cleanersoft | 1 | 3 |
| Cleaninternet | 1 | 1 |
| Cleantalk | 1 | 1 |
| Clear | 4 | 4 |
| Clearbudget | 1 | 1 |
| Clearfishing | 2 | 2 |
| Clearhub | 1 | 1 |
| Clearswift | 6 | 32 |
| Clearswift Limited | 1 | 18 |
| Clemens Wacha | 1 | 2 |
| Clementine-player | 1 | 3 |
| Cleo | 1 | 2 |
| Clever | 2 | 2 |
| Clever Plugins | 1 | 1 |
| CleverSoft | 1 | 1 |
| CleverTap | 1 | 1 |
| Clever Components | 2 | 2 |
| Clever Copy | 1 | 13 |
| Cleverpath | 2 | 80 |
| Click Studios | 2 | 20 |
| Click-2 | 1 | 2 |
| Click2learn | 1 | 2 |
| Click2sell | 1 | 2 |
| ClickDatos | 1 | 1 |
| ClickHouse | 1 | 5 |
| ClickToTweet.com | 1 | 1 |
| Click Project | 1 | 1 |
| Clickbank | 1 | 1 |
| Clickdesk | 2 | 2 |
| Clickfraud-monitoring | 1 | 1 |
| Clickhouse | 1 | 8 |
| Clickhouse-driver Project | 1 | 1 |
| Clicknet | 1 | 1 |
| Clickstudios | 1 | 13 |
| Clicktech | 6 | 12 |
| Clicshopping | 1 | 1 |
| Client | 1 | 3 |
| Clientexec | 1 | 3 |
| Clientresponse Project | 1 | 1 |
| Clientsoftware | 2 | 3 |
| Cling Project | 1 | 1 |
| Clinic\'s Patient Management System Project | 1 | 7 |
| Cliniccases | 1 | 4 |
| Clip-bucket | 1 | 13 |
| Clip-share | 1 | 7 |
| ClipSoft | 1 | 6 |
| Clipboard Project | 1 | 1 |
| Clipcomm | 2 | 2 |
| Clipper Project | 1 | 2 |
| Clippercms | 1 | 10 |
| Cliquemania | 1 | 1 |
| Cliserv | 1 | 1 |
| Clixint | 1 | 2 |
| Cloakcoin | 1 | 1 |
| Clockwork | 1 | 1 |
| Clockwork Web Project | 1 | 1 |
| Clogica | 1 | 1 |
| Clone2009 | 1 | 5 |
| Cloneforest | 1 | 1 |
| Clonemonster | 1 | 1 |
| Clonos | 1 | 3 |
| Clonos Project | 1 | 3 |
| Clonuswiki | 1 | 1 |
| Clorius Controls A\/s | 1 | 1 |
| Closeprotectionworld | 1 | 1 |
| Closure-compiler-stream Project | 1 | 1 |
| Cloud FOundry | 1 | 1 |
| Cloud Foundry | 37 | 92 |
| Cloud Native Computing Foundation (CNCF) | 1 | 2 |
| Cloud Primero B.V | 1 | 1 |
| Cloud Software Group | 2 | 10 |
| Cloud4wi | 1 | 1 |
| CloudBees | 2 | 220 |
| CloudExplorer-Dev | 1 | 6 |
| CloudForms | 1 | 8 |
| CloudLinux Inc | 1 | 1 |
| Cloud Foundry | 2 | 4 |
| Cloudacl | 1 | 1 |
| Cloudavid | 1 | 1 |
| Cloudbase | 1 | 1 |
| Cloudbees | 2 | 219 |
| Cloudberrylab | 1 | 5 |
| Cloudcti | 1 | 1 |
| Cloudera | 12 | 146 |
| Cloudfastpath | 1 | 3 |
| Cloudflare | 18 | 48 |
| Cloudflare-scrape Project | 1 | 1 |
| Cloudfoundry | 15 | 84 |
| Cloudmagic | 1 | 1 |
| Cloudme | 1 | 4 |
| Cloudmedia | 1 | 1 |
| Cloudnine Interactive | 1 | 4 |
| Cloudogu | 1 | 1 |
| Cloudreve | 1 | 1 |
| Cloudroits | 1 | 1 |
| Cloudron | 1 | 1 |
| Cloudschool Project | 1 | 1 |
| Cloudsync Project | 1 | 1 |
| Cloudviewnms | 1 | 4 |
