Simple, index-free text search for JavaScript, used across my personal projects like YC Vibe Check, linus.zone/entr, and my personal productivity software. Read the annotated source to understand how it works under the hood.
I believe the opportunity in search is not to attack Google head-on with a massive, one size fits all horizontal aggregator, but instead to build boutique search engines that index, curate, and organize things in new ways.