| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| letterlf | Letterlogic (France) | 1980 | Texas Instruments | Yes | mrchalgr |
| letterlg | Letterlogic (Germany) | 1980 | Texas Instruments | Yes | mrchalgr |
| mrchalgr | Mr. Challenger (US) | 1979 | Texas Instruments | Yes | |
| spellabc | Spelling ABC (Germany) | 1980 | Texas Instruments | Yes | spellb |
| spellb | Spelling B (US, 1980 version) | 1980 | Texas Instruments | Yes | |
| spellba | Spelling B (US, 1978 version) | 1978 | Texas Instruments | Yes | spellb |