Apache Solr - Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and...
UI Movement - The best UI design inspiration, daily
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Muzli - UI/UX and Design Inspiration Chrome Extension
Algolia - Algolia's Search API makes it easy to deliver a great search experience in your apps & websites. Algolia Search provides hosted full-text, numerical, faceted and geolocalized search.
UI Jar - Hand-picked design inspiration for your real life projects