Some of the interest in forth might be "forth, as an idea" rather than "forth, as a tool". Hence the many implementations of the idea.
https://ratfactor.com/forth/the_programming_language_that_writes_itself.html
http://tumbleforth.hardcoded.net/
"That Forth is considered, at best, decidedly odd by most programmers didn't bother Wiz in the slightest."
— "Wizard's Bane". Rick Cook. 1989.