| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| ql | QL (UK) | 1984 | Sinclair Research Ltd | Yes | |
| ql_de | QL (Germany) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_dk | QL (Denmark) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_es | QL (Spain) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_fr | QL (France) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_gr | QL (Greece) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_it | QL (Italy) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_se | QL (Sweden) | 1985 | Sinclair Research Ltd | Yes | ql |
| ql_us | QL (USA) | 1985 | Sinclair Research Ltd | Yes | ql |
| tonto | Merlin M1800 Tonto | 1984 | British Telecom Business Systems | Yes |