| 40692 | HexCon | ZX81 16K | English |
| 40693 | HexMon | ZX81 16K | English |
| 40430 | Hi Score List | ZX-Spectrum 48K | English |
| 35596 | High Frequency | ZX-Spectrum 48K | English |
| 41068 | High Res Graph | ZX81 16K | English |
| 39825 | Highlight | ZX-Spectrum 48K | English |
| 42976 | Highlist | ZX-Spectrum 48K | English |
| 45358 | Hoja Multifunción | ZX-Spectrum 48K | Spanish |
| 35590 | Hold | ZX-Spectrum 48K | English |
| 40370 | Home Improvements | Sinclair QL | English |
| 41056 | How to Impress with Your ZX81 | ZX81 16K | English |
| 40702 | I Ching | ZX81 16K | English |
| 40211 | INKEY$ / INPUT / ASC to BIN | ZX-Spectrum 48K | English |
| 38995 | Impasic | ZX-Spectrum 48K | Polish |
| 40412 | Improved Machine Code | ZX-Spectrum 48K | English |
| 40697 | Index | ZX81 16K | English |
| 16498 | Infer | ZX-Spectrum 48K | Spanish |
| 40305 | Infix to Postfix Conversion | ZX-Spectrum 48K | English |
| 39754 | Input | ZX-Spectrum 48K | English |
| 39924 | Input Routine | ZX81 16K | English |