Kind of like I used hkSFV for a long, long time. No GUI utility came close, feature-wise. Although if you consider CLI, you can do scripting after download.
https://textmode.cadencecode.com/
... I occasionally make dos games as a hobby, and I wanted to be able to draw some ASCII on my iPad. Kinda a niche thing but open to feedback if anyone tries it.
There were tons and a few of the bigger groups had their own ansi/hirez editors
