Multi-boot it and use it for testing or legacy app development! I did that with a MacBook Pro 2007 that I was kindly given.
I've needed to use it to jailbreak & downgrade iPhone 4S to iOS 6.1.3, and more recently, to build an app to use an old iPhone to generate a clean HDMI camera feed.
If your Mac Mini can run 10.4 Tiger, you'll even be able to use some Classic apps (e.g. Age of Empires). There's a couple of sites with some good software collections:
Multi-boot it and use it for testing or legacy app development! I did that with a MacBook Pro 2007 that I was kindly given.
I've needed to use it to jailbreak & downgrade iPhone 4S to iOS 6.1.3, and more recently, to build an app to use an old iPhone to generate a clean HDMI camera feed.
If your Mac Mini can run 10.4 Tiger, you'll even be able to use some Classic apps (e.g. Age of Empires). There's a couple of sites with some good software collections:
https://macintoshgarden.org/
https://www.macintoshrepository.org