Code coverage for your node.js project in minutes. Supports coverage aggregation over multiple processes, requires no support from your testing framework, and dynamically instruments code without a messy build system.
Mozilla Persona is an attempt to rethink how we implement online authentication. The project proves authentication can simultaneously be more secure, privacy preserving, and more usable. I started the project with Mike Hansen and Ben Adida in april of 2011, and we is usage has grown to thousands of sites, with millions of users total. And Persona lives on today...
A node.js library which uses event-loop latency to determine when requests should be blocked - making it easy to develop graceful failure modes.
A node.js library that integrates directly with V8 to make discovery and monitoring of memory leaks easier. Advanced HeapDiff fearture simplifies leak isolation.
Slice through complex JSON structures with the tool that you already know: CSS selectors. I wrote a spec, a reference implementation, and a cool interactive demo. People got excited and ported it everywhere.
Chromeless was an experiment in building a HTML5 runtime for desktop apps. Working with Marcio Galli and the community, we built a functional SDK for packaging web content into standalone desktop apps on three platforms. The documentation was sweet, too.
Yahoo! BrowserPlus made it easy to distribute, version, and develop scriptable cross-platform web plugins. With a team of four we designed and built the platform, and tens of services which ultimately was used by hundreds of millions of folks on Yahoo! mail, and other sites around the web.