Repl.it is really quite great. Unfortunately it is beginning to feel its age (2 years, now). I'm looking to get off of it for some of the core languages I suppo

Repl.it is really quite great. Unfortunately it is beginning to feel its age (2 years, now). I'm looking to get off of it for some of the core languages I support, and I already rely on other services for the other, trickier languages (C++, java et al).