maple classic™ 
let's count my computers (i am including currently non-functional ones marked with *)
1. 2017 main desktop
2. 2006 desktop later used as server*
3. 2009 laptop used as server*
4. 2013 laptop used as server
5. 2014 main laptop
6. 2007 thinkpad
7. 1996 toshiba satellite
8. 1992 amiga 600
9. 1985 hotbit msx
10-12. 3 old android phones
13. main android phone
14. android tablet
15. pocketchip
dubious computerness:
16. ipod touch 3*
17-18. wii and dreamcast (both could run OS)
19. psp?
i am proably forgetting something
Oh by the way this isn't "all computers i've owned"
It's "all computers IN MY ROOM RIGHT NOW"
22. me i'm a fuckin computer robot
OH RIGHT i forgot one
23. 2000 ruby imac g3
@squirrel Does it work and do you use it every day and if not, why not?
(I know, because it's not actually practical no matter how neat it is, but :-()
@ajroach42 mmm it works perfectly (apart from the firewire ports apparently, unless that was actually a fault with my mini-dv camera, which i can't confirm either way) and i did post on mastodon with it once! (osx 10.4 and tenfourfox) but yeah it's not much more than a glorified dvd player and it had to be moved away to fit a trinitron pvm on my desk for video games
(continuing dubious-computerness list)
20. old windows mobile HTC
21. palm z22