| 22665 | Bugfixes for BetaDOS and G+DOS | ZX-Spectrum 48K | English |
| 23864 | CTE/80 | ZX-Spectrum 48K | English |
| 22657 | Call +D | ZX-Spectrum 48K | English |
| 12529 | Cambridge Intelligent Joystick | ZX-Spectrum 48K | English |
| 37453 | Carga con Musica en 128K | ZX-Spectrum 128K | Spanish |
| 22732 | Cassette Hyperload Creator | ZX-Spectrum 48K | English |
| 22109 | Catscan! and Scanload | ZX-Spectrum 48K | English |
| 25302 | Centrolink | ZX-Spectrum 48K | German |
| 8010 | Centronics Interface Software | ZX-Spectrum 48K | English |
| 11054 | Centronics Printer Software | ZX-Spectrum 48K | English |
| 11055 | Centronics Printer Software | ZX-Spectrum 48K | English |
| 8011 | Centronics-Schnittstelle | ZX-Spectrum 48K | English |
| 21925 | Checkaddr | ZX-Spectrum 48K | English |
| 8020 | Chip Chek | ZX-Spectrum 16K | English |
| 21436 | Code Cruncher | ZX-Spectrum 48K | English |
| 25730 | Code Machine Printer Output | ZX-Spectrum 48K | English |
| 43644 | Code-Knacker | ZX-Spectrum 16K/48K | German |
| 22013 | Col 80 | ZX-Spectrum 48K | English |
| 22057 | Col 80 Plus | ZX-Spectrum 48K | English |
| 25258 | Communication Data Operating System | ZX-Spectrum 48K/128K | English |