The Galaksija computer was a craze in 1980s Yugoslavia

Article note: This is by far the coolest new piece of computer history I've learned in years. A popular open, hobbyist computing platform, designed to be novice-buildable, with a community extensive enough for radio broadcast software in the 1970s. It's like a Spectrum (in many ways, same Z80 and intentional feebleness for cost reduction), but way more cyberpunk.