You could try Haiku, it's pretty snappy even on ten year old Thinkpads like my X240 (of course, replacing a spinning rust hard disk by an SSD always helps). Pl

You could try Haiku, it's pretty snappy even on ten year old Thinkpads like my X240 (of course, replacing a spinning rust hard disk by an SSD always helps). Plan 9 might also be an option, but that might lack the desktop apps you expect to have.