Xapian Alternatives

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

Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and...

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.

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

The simple way to create a great search experience for your users and your team.

Sphinx is an open source full text search server, designed with performance, relevance (search quality), and integration simplicity in mind. Sphinx lets you either batch index and search data stored in files, an SQL database, NoSQL storage.

SearchUnit is another open-source search engine for web-applications.

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

Site Search 360 enhances and improves your built-in CMS search with autocompletion, semantic search, filters, facets, detailed analytics, and a whole lot of customization options.

freemium $9.0 / Monthly ("1,500 pages/products", "5,000 monthly searches")

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Adds super fast search autocomplete, spell correct and search listing pages to your site search.

SearchBlox is an out-of-the-box Enterprise Search Solution built on top of Apache Lucene/Solr.