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.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
Pagefind is described as 'Fully static search library that aims to perform well on large sites, while using as little of your users’ bandwidth as possible, and without hosting any infrastructure' and is an app in the online services category. There are more than 50 alternatives to Pagefind for a variety of platforms, including Web-based, SaaS, Linux, Mac and Self-Hosted apps. The best Pagefind alternative is Algolia. It's not free, so if you're looking for a free alternative, you could try Algolia or Elasticsearch. Other great apps like Pagefind are OpenSearch, Apache Solr, Manticore search and Boost.
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.
Redisearch implements a search engine on top of Redis, but unlike other Redis search libraries, it does not use internal data structures like sorted sets.
The easiest way to add great search to your website
Swiftype is a hosted software service that eliminates the need to create your own search software from scratch, making it possible for any website owner or mobile app developer to add great search to their product. Features inc.

An intelligent yet easy-to-install site search for any website. Simply start typing to get search autosuggestions and semantically enriched structured data at your fingertips.




With Google Custom Search, add a search box to your homepage to help people find what they need on your website.
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 programmers. It is written in C++, with bindings to allow use from Perl, Python, PHP, Java, Tcl, C#, Ruby, and...
OpenSearchServer is an open source application server allowing development of index-based applications like search engines. Main features of OpenSearchServer are : An integrated crawler for databases, web pages and rich documents; a user friendly GUI allowing development of most...
The goal of ItemsAPI is creating search application without spending time for backend. You just provide json data and your backend is ready to go.


Qdrant (read: quadrant) is a vector similarity search engine and vector database. It provides a production-ready service with a convenient API to store, search, and manage points—vectors with an additional payload Qdrant is tailored to extended filtering support.
Expertrec custom search started as a replacement for google site search. It adds super-fast search autocomplete, spell correct, search listing pages to your website.




Search over millions of documents, and give to your users unique, amazing and unforgettable experiences.

EasySiteSearch is a plug-and-play search solution for websites. With just one line of code, website owners can integrate a fast, customizable search without dealing with complex configurations or backend infrastructure.
