*Inferior to the [[Amiga]] yet still better (the war still rages on nowadays). It was easier to do work on Atari, while on Amiga a guru meditation (machine crash) was never far away. Also the TOS was in ROM which mean it could be used immediately and it didn't consume valuable RAM. And as the OS was immutable, less time was spent customizing it and more time was used to do productive work.
*A hardware [[MIDI|Midi Port]] : this spawned a generation of Musician Geeks. And some Atari ST games did use Midi sound as an option. [https://forums.atariage.com/topic/301647-midi-games/ Source]
*used widely in Amstrad CPC software developments (mostly games ?).