Apache Solr

Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and JSON APIs. Its major features include powerful full-text search, hit...

Free Open Source Mac Windows Linux Microsoft Azure

Algolia

Algolia helps product teams connect their users with information by providing the building blocks they need to create fast, relevant, personalized search.

• Its closed sourced and not possible to self-host. Guest • Sep 2016 • 2 agrees and 0 disagrees Disagree   Agree
• Algolia is a great alternative if you don't want to spend time configuring your own server and just want something that works, fast. Ola • Dec 2016 • 1 agrees and 0 disagrees Disagree   Agree
• One is application another is service you need to pay for Guest • Oct 2016 • 1 agrees and 1 disagrees Disagree   Agree

Commercial Web Android SDK Ruby Python JavaScript ... AngularJS cURL Ruby on Rails Node.JS Objective-C

Sphinx (search engine)

Sphinx is a free software search engine designed with indexing database content in mind. It currently supports MySQL, PostgreSQL, and ODBC-compliant databases as data...

Free Open Source Mac Windows Linux

Xapian

Xapian is an open source probabilistic information retrieval library, released under the GNU General Public License (GPL). It is a full text search engine library for...

Free Open Source Mac Windows Linux BSD

OpenSearchServer

OpenSearchServer is an open source application server allowing development of index-based applications like search engines. Main features of OpenSearchServer are : An...

Free Open Source Mac Windows Linux

Site Search 360

The best site search for any website. Simple type, get search suggests, autocompletions and structured data at your fingertips.

Freemium Web

Manticore search

Open source search server designed to be fast, scalable and with powerful and accurate full-text search capabilities derived from Sphinx search project.

Free Open Source Mac Windows Linux

Whoosh

Whoosh is a library of classes and functions for indexing text and then searching the index. It allows you to develop custom search engines for your content.

Free Open Source Self-Hosted

Vespa

Vespa is an engine for low-latency computation over large data sets. It stores and indexes your data such that queries, selection and processing over the data can be...

Free Open Source Linux

RediSearch

RediSearch is a an open-source Full-Text and Secondary Index engine over Redis, developed by Redis Labs.

Free Open Source Mac Linux Web Self-Hosted

SearchUnit

SearchUnit is the modern, flexible, fully featured ASP.NET search engine component for your web applications. Free Community edition available. .

Freemium Self-Hosted ASP.NET MVC

Cludo Site Search

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

Commercial Web

Measured Search

Measured Search provides a fully-managed personalized search & discovery service offering feature packed textual & relevance based search, contextualized...

Commercial Linux

SearchBlox

SearchBlox is an out-of-the-box Enterprise Search Solution built on top of Apache Lucene/Solr. It is fast to deploy, easy to manage and available for both on-premise and...

Commercial Mac Windows Linux

Expertrec Search Engine

Adds super fast search autocomplete, spell correct and search listing pages to your site search. Expertrec's search results are delivered in less than a millisecond...

Commercial Web Magento Community Edition