ElasticHQ - Tool for ElasticSearch management and monitoring.
Site Search 360 - Site Search 360 enhances and improves your built-in CMS or product search with autocompletion, semantic search, filters, facets, detailed analytics, and a whole lot of customization options.
Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.
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.
Xapian - Xapian is an open source probabilistic information retrieval library, released under the GNU...
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.