I'll mention some dead projects, in case anyone gets an itch to pick them up...
lotide/hitide is a minimalist, text-only platform. It has been abandoned.
https://sr.ht/~vpzom/lotide/.
https://lotide.fbxl.net/
Sublinks was in the works, but it is on indefinite hiatus. As I understand it, the main dev became too busy IRL to continue work.
https://github.com/sublinks