Apache Solr Alternatives

Elasticsearch is an open source, distributed, RESTful search engine.

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.

Open Source

Typo tolerant, delightfully simple, open source search 🔍

Open Source

The simplest way to add search to your website or application. Sign up for free.

Ultra relevant, instant, and typo-tolerant full-text search API

Open Source

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.

freemium $9.0 / Monthly ("1,500 pages/products", "2,000 monthly searches")

Xapian is an open source probabilistic information retrieval library, released under the GNU...

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.

Google Custom Search is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorize queries and create customized search engines, based on Google Search.

Enterprise search technology for better customer support, customer self-service, and knowledge management in the digital workplace.

Sphinx is a fulltext FLOSS search engine that provides text search functionality to client applications. Sphinx (search engine) - WikiMili, The Free Encyclopedia - WikiMili, The Free Encyclopedia

Search Engines

Open Source

OpenSearchServer is an open source application server allowing development of index-based...