UI Cloud - The largest user interface design database in the world
Six Degrees of Wikipedia - Find the shortest path between two subjects
Reactive Search - UI components for building Amazon / Yelp like Search
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
Endless - Random and amazing Wikipedia articles.