OpenSearchServer 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.

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

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

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

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

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

paid Free Trial $9.0 / Monthly (Paid Yearly)

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

SearchTap is a search technology that can easily integrate with websites and mobile apps to provide an Amazon-like search experience without writing any code. It solves search problems for websites, businesses, mobile apps and enterprise software.

paid $59.0 / Monthly (Upto 1k Products & 10k Searches)

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")

Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.

Tool for ElasticSearch management and monitoring.

Whoosh is a library of classes and functions for indexing text and then searching the index.