logiciels
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Cintrage À la Vapeur | Concept | 9 | 5.6 |
| Ciné-œil | Concept | 4 | 0.9 |
| Cinémathèque Québécoise | Bâtiment | 4 | 3.7 |
| Cinématique Longue Distance | Concept | 3 | 0.5 |
| Circle Chart | Site | 27 | 0.3 |
| Circleci | Site | 5 | 0.7 |
| Circé | Oeuvre | 1 | 1.1 |
| Cisco Anyconnect Secure Mobility Client | Oeuvre | 1 | 3.1 |
| Cisco Unified Communications Manager | Oeuvre | 5 | 7.2 |
| Cisco Vpn Client | Oeuvre | 2 | 5.9 |
| Citavi | Oeuvre | 9 | 1.6 |
| Citect | Organisation | 5 | 1.2 |
| Citeseerx | Site | 23 | 6.5 |
| Citeulike | Site | 4 | 1.3 |
| Citizen Jazz | Site | 1 | 0.7 |
| Citizendium | Site | 45 | 4.2 |
| Citra | Oeuvre | 17 | 6.3 |
| Citrix Xenapp | Oeuvre | 9 | 0.0 |
| Citymapper | Site | 7 | 21.2 |
| Civicrm | Oeuvre | 11 | 2.2 |
| Cjdns | Oeuvre | 5 | 1.7 |
| Cjon-dt | Site | 3 | 0.7 |
| Ckeditor | Oeuvre | 17 | 4.8 |
| Clamav | Oeuvre | 29 | 22.5 |
| Clamrt | Oeuvre | 1 | 0.4 |
| Clamwin | Oeuvre | 18 | 9.4 |
| Clamxav | Oeuvre | 1 | 2.7 |
| Clanlib | Oeuvre | 5 | 0.7 |
| Clarion | Oeuvre | 11 | 1.6 |
| Classcraft | Site | 4 | 4.8 |
| Classement Mondial de Football Elo | Site | 24 | 43.0 |
| Classic | Concept | 7 | 3.2 |
| Classic Game Room | Site | 5 | 0.1 |
| Classical Music Archives | Site | 3 | 1.8 |
| Classilla | Oeuvre | 5 | 0.8 |
| Claude | Oeuvre | 49 | 7.2 |
| Clavier | Science | 14 | 0.0 |
| Clavier Gomme | Concept | 9 | 1.8 |
| Clavier Virtuel | Concept | 26 | 17.0 |
| Clavier À Membrane | Concept | 12 | 5.5 |
| Claws Mail | Oeuvre | 16 | 6.4 |
| Clean Boost | Meuble | 1 | 0.4 |
| Clean Clothes Campaign | Site | 8 | 0.4 |
| Cleanmymac | Oeuvre | 3 | 0.0 |
| Clear | Oeuvre | 15 | 2.8 |
| Clear Linux | Oeuvre | 13 | 1.8 |
| Clearos | Oeuvre | 12 | 4.5 |
| Clementine | Oeuvre | 21 | 8.3 |
| Clever Audio-plug-in | Oeuvre | 7 | 0.0 |
| Cleverbot | Site | 19 | 14.6 |