| 11046 | Interface III | ZX-Spectrum 48K | English |
| 14733 | Interface III Printer Interface Tape | ZX-Spectrum 48K | English |
| 25400 | Interface RS232 | ZX-Spectrum 48K | English |
| 4000140 | Interface RS232 | Timex Tx2068 | English |
| 2000191 | Interfacing Microcomputers to the Real World | - | English |
| 40447 | Interfere | ZX-Spectrum 16K | English |
| 24150 | Interference Simulator | ZX-Spectrum 48K | English |
| 19113 | Intergalactic Games | ZX-Spectrum 16K | English |
| 32024 | Intergalactic Space Rescue | ZX81 16K | English |
| 28028 | Intergalactic Space Rescue | ZX-Spectrum 16K | English |
| 20279 | Interior Designer | ZX-Spectrum 48K | English |
| 7483 | Interlace Demo | ZX-Spectrum 48K/128K | English |
| 9113 | Intermediate English 1 | ZX-Spectrum 16K | English |
| 9114 | Intermediate English 2 | ZX-Spectrum 16K | English |
| 19353 | Intermediate Level Electronics | ZX-Spectrum 48K | English |
| 11803 | Intermediate Level French | ZX-Spectrum 48K | English |
| 11804 | Intermediate Level Geography | ZX-Spectrum 48K | English |
| 11805 | Intermediate Level German | ZX-Spectrum 48K | English |
| 11806 | Intermediate Level Maths Plus | ZX-Spectrum 48K | English |
| 11807 | Intermediate Level Science | ZX-Spectrum 48K | English |