Classic Mac OS and dozens of apps can now be run in a browser window

The Internet Archive is a great resource if you’re looking to play with older PC apps and operating systems—thanks to a JavaScript port of DOSBox, you can run stuff like Mario Teaches Typing and Windows For Workgroups 3.11 right in your browser, giving you a quick and easy way to get some idea of what it was like to use a computer 20 or 25 years ago.