A fork of the well-known (and quite good) JavaScript Koans. As a fork, it currently suffers from a lack of CoffeeScript-specific content; see this pull request: <a href="https://github.com/blindsey/coffee_script_koans/pull/4" rel="nofollow">https://github.com/blindsey/coffee_script_koans/pull/4</a><p>There's also another project calling itself CoffeeScript Koans, also based on JavaScript Koans: <a href="https://github.com/sleepyfox/coffeescript-koans" rel="nofollow">https://github.com/sleepyfox/coffeescript-koans</a>