Stellaxy is a procedurally generated space exploration RPG that I've been working on now for a few years, it is still in active development but is finally out as a stable complete version. I also have a demo available, but it is 3 years old now so it doesn't reflect Stellaxy completely. Check it out now below:

https://spacemyname.itch.io/stellaxy/

Also here's a gameplay trailer: