LogikCull - Logikcull is a discovery automation platform that helps expedite and lower the cost of litigations & investigations.
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.
Everlaw - Everlaw is an eDiscovery software for litigation, document review, and analysis.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Exterro - Exterro offer eDiscovery and legal software solutions.
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.