Show HN: Axiom – A math-native OS where x² is valid syntax (built from scratch)(fawazishola.ca)

18 points by fawazishola 8 months ago | 2 comments

Amiga Unix (Amix)(amigaunix.com)

127 points by donatj 8 months ago | 54 comments

SymbOS Z80 multitasking operating system(symbos.de)

164 points by jbverschoor 2 years ago | 58 comments

ArcEm – The Acorn Archimedes Emulator(arcem.sourceforge.net)

51 points by DerekBickerton 3 years ago | 17 comments

KidPix(kidpix.app)

852 points by wonger_ 2 years ago | 121 comments

JS Kid Pix, a browser-based JavaScript recreation of Craig Hickman's 1989 public-domain Kid Pix painting program for children.

Screenshots from Windows 95(guidebookgallery.org)

52 points by xeonmc 3 years ago | 34 comments