! Developer tools
! License
|-
| [[AdvanceMESS|AdvanceMESS]]
| [https://www.advancemame.it/readme]
| 3.9
| Sep 8, 2018
| [[CPC old generation|CPC range]], [[Plus|Plus range]], [[KC Compact]], [[Aleste 520EX]] & lots of other computer systems
| ⚠️
| Open source
|-
| [[Arnimedes|Arnimedes]]