Archy was an amazing UI with persistence, modeless ZUI and an Emacs influence! https://en.wikipedia.org/wiki/Archy Why hadn't I seen this before?
miniblog.
Related Posts
Programming in the debugger: https://willcrichton.net/notes/programming-in-the-debugger/
Discusses how notebooks enable incremental program writing, and contrasts with REPLs.
Makes some interesting points regarding persistence, although resumable exceptions have similar upsides too.
Common misconceptions of orthogonal persistence: https://tunes.org/wiki/orthogonal_20persistence.html