Comment by thih9
More context if anyone is interested
https://en.m.wikipedia.org/wiki/Forge_(software)
> in FOSS development communities and since the inception of the first SourceForge fork in 2001, the term forge is still commonly used to designate online collaborative software platforms
In fairness to the person asking the question, I've seen the term "forge" used a lot more in the previous six months than in the previous decade or two. Not sure what that's about.