Electrum Personal Server is a great lightweight electrum server, but it seems like the project is not going to be maintained any further as there hasn't been any new releases since June 2022, and at the end of that year the main maintainer, Chris Belcher, mentioned he was having some health issues:
Hey everyone, thanks for your concern.
Unfortunately I'm dealing with some health issues and haven't been working since July.
I haven't been following any bitcoin news. I don't know anything about this Toronto developer, I just learned about it reading this thread now. Certainly no three letter agency has said anything to me (yet?). Even if that happened, joinmarket is decentralized and still works even if I'm not around (I haven't actually checked joinmarket but there's no reason it shouldn't be working right now).
The current version of the software works, but you need to update the certificate as it expired on March 2023. Here is the current workaround, which is to generate your own self-signed certificate:
https://github.com/chris-belcher/electrum-personal-server/issues/286#issuecomment-1465354568I wonder if there is any similar project that is actively maintained.