- Improved event handling and testing for the HTML5 canvas
- Positive and negative assertions about TypeScript types and errors
- Automatically stub modules via proxyquire
- Fast, embeddable genome visualization
- Run Mechanical Turk-like tasks on your own.
- Test Google+ Hangouts apps all by your lonesome
- A ReactJS Mixin which enforces that a Component document all its props in propTypes.
- Track how each commit/pull request affects the size of a file in your repo
- Analyze and debug space usage through source maps