Learn something else. Try Rust or Go.

E.g. Write a semi-naive datalog interpreter that uses sqlite as a backend (sql and datalog are computationally equivalent), make it available to Python and Typescript. (I am actually bored too, I might "steal" my own idea)

P2P

Re-imagine anything as P2P. A ‘remix’ of git was recently released called radicle. Reimagined git with no central server.

Do that for literally anything.

a human with another human. the building process is a lot of fun and end-result will bring you joy for the rest of your life