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.
Qrvey - Embedded Analytics built exclusively for SaaS applications.
Swiftype Site Search - Swiftype Site Search helps to sell more, get the right answer to more people on the platform and surface relevant content for readers and followers.
AnswerRocket - AnswerRocket is a search-powered analytics that makes it possible to get answers from business data by asking natural language questions.
ElasticSearch - Elasticsearch is an open source, distributed, RESTful search engine.
Syndigo - Syndigo is an online management platform that provides access to the world’s biggest global content database of digital information.