| 39935 | READ and DATA | ZX81 16K | English |
| 41495 | READ/DATA Routine | ZX81 16K | English |
| 35645 | REM Change | ZX81 16K | English |
| 41443 | REM Memory | ZX81 16K | English |
| 40168 | REM Patterns | ZX-Spectrum 48K | English |
| 39974 | REMloader | ZX81 16K | English |
| 41768 | RENUMERADOR GGMI | ZX81 16K | Portuguese |
| 41654 | RESTORE/DATA/READ | ZX81 16K | English |
| 34553 | RMS | ZX81 16K | English |
| 29251 | ROMTest | ZX81 2K | Dutch |
| 40597 | RS232 Interface | ZX81 16K | English |
| 29254 | RTTY 1K | ZX81 2K | - |
| 29253 | RTTY16 | ZX81 16K | English |
| 37264 | RUETAMA PEEKER v.1 | ZX-Spectrum 48K | English |
| 40231 | Radio Frequency Tuned Circuits | ZX-Spectrum 48K | English |
| 40615 | Random Graphics | ZX80 | English |
| 44752 | Random Insult Generator | ZX-Spectrum 48K | English |
| 40138 | Random Number | ZX-Spectrum 48K | English |
| 41487 | Random Numbers | ZX-Spectrum 48K | English |
| 31447 | Randomize Randomize Randomize Randomize Randomize Randomize Randomize Randomize Randomize Randomize | ZX-Spectrum 16K | English |