The Retro Lab
The machines that made computing interesting, rebuilt for the browser. Pick one and boot it.
WHERE IT ALL STARTED The Commodore 16. My first ever computer. BASIC 3.5 and 12277 bytes free: DIRECTORY, then DLOAD"STARTED" and RUN. Boot it → 
BASIC V2. LOAD "$",8, then LIST and RUN the programs on the disk, or write your own. Boot it → 
Insert the disk at the Kickstart screen. Workbench, the AmigaDOS Shell and the Boing ball. Boot it → 
Happy Mac, then a one-bit Finder with the Note Pad, the Puzzle and Shut Down. Boot it → 
GEM on a green desktop: floppy A, the Control Panel, and BOMBS.PRG if you dare. Boot it →