Aztec-C on the Apple II had a vi editor that ran on a 64K machine, but you had to exit it before you could run the compiler.
reply> vi editor [...] you had to exit it
replyI didn't know that was possible.
I have a small collection of "curated" CP/M software, which works alongside a CP/M emulator I wrote:
replyhttps://github.com/skx/cpm-dist
The distribution of Borland's Turbo Pascal v3.01A is approximately 180k.