SourceForge sucks ass. I’ll use pen and paper to manage my repos before SourceForge.
Forgejo is the best git forge hands down. It’s FOSS, snappy & clean web interface, much lighter than Gitlab to self-host, integrates with a bunch of CI platforms, and instance federation is in the works. It’s like GitHub, but better in pretty much every way.
The most popular instance is Codeberg
Not only is it FOSS, but the experience is legitimately better than GitHub.
Also has a super fast & good repo migration & sync system. You can still keep the GitHub repo around for the network effect while porting over issues & PRs.
Forgejo Actions is maybe the only thing worse, but that’s because it isnt one-to-one with the whole GHA ecosystem, even if most GitHub Actions work out the box with no changes.
You’re gonna start seeing more of these pointing to codeberg.org in the near future. I have been seeing a ton of important projects move there or their own Forgejo instance. Once federation hits, I imagine a massive proportion of projects are gonna jump ship.