headscale is an open source, self-hosted implementation of the Tailscale control server
woah, one of the two maintainers is even a tailscale dev! how did they pull that off in this capitalist hellscape?
here's a blog post that mentions why you might want to use it instead of tailscale
https://mornie.org/blog/using-headscale-for-your-home-networks/
(for me, tailscale is great, and too convenient, so i'll stick with it, but i'm relieved that this exists)
tyvm @eriol!