Back in my CP/M days I used an outliner called Thoughtline (or something like that, maybe they spelled it differently). What appealed to me about that software was that it used the WordStar command set for text editing.

Is there an MS-DOS outliner that uses the WS text editing commands?

And which allows editing largish files, in the 640K range?

Yes, I fiddled with Thoughtline, too, spelled ThOUghTLINE, I think. I believe it now has a Windows version.

I also used KAMAS, which had an outline editing mode, and a text "lea" mode which used the Wordstar command set.

MaxThink also uses the WS command set.


(The site focuses on a new Windows port, but I suspect the DOS version is still available.)