Every project on GitHub comes with a version-controlled wiki to give your
documentation the high level of care it deserves. It’s easy to create
well-maintained, Markdown or rich text documentation alongside your code.
Polymi - Create Facebook Mobile Ad Templates, Twitter Mobile Ad Templates and track SEO keywords
Crafatar - Render Minecraft avatars, skins, capes, and 3D renders using a REST-style web API. (source code)
Game of Bombs - Skin constructor allows players to buy specific skin for their character. node-canvas used to make thumbnails for the shop and access spritesheet through REST interface.
Meming Bot - Telegram inline bot, which allows user to make memes (put text over meme template). node-canvas makes it work blazingly fast.