High-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Apache Lucene is a open source.
Milvus Alternatives
Milvus is described as 'Open-source vector database built to power embedding similarity search and AI applications. Milvus makes unstructured data search more accessible, and provides a consistent user experience regardless of the deployment environment' and is an app in the development category. There are more than 50 alternatives to Milvus for a variety of platforms, including Linux, Web-based, Self-Hosted, Mac and Windows apps. The best Milvus 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 Milvus are Golem, Apache Solr, Manticore search and FalkorDB.
Alternatives list
- 32 Vast.ai alternatives
GPU Sharing Economy: One simple interface to find the best cloud GPU rentals. Reduce cloud compute costs by 3X to 5X.
Free Web Hosting provider with paid options for Shared Hosting, VPS, and Domains. The website offers free subdomain registrations.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)

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
Toshi is meant to be a full-text search engine similar to Elasticsearch. Toshi strives to be to Elasticsearch what Tantivy is to Lucene.
Cost / License
- Free
- Open Source
Platforms
- Linux
Fully-managed vector database providing lightning-fast, relevant search with developer-focused APIs, effortless scalability, metadata filters, transparent usage-based pricing, multi-cloud support, easy integration, unstructured data handling, and no need for infrastructure upkeep.


- 20 RediSearch alternatives
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.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
- Online
- Self-Hosted
Elasticlunr.js, lightweight full-text search engine in Javascript for browser search and offline search. Elasticlunr.js is developed based on Lunr.js, but more flexible than lunr.js. Elasticlunr.js provides Query-Time boosting and field search.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
Low End Box is dedicated for running websites and services on low end dedicated servers/virtual private servers, where you only need to pay a few dollars a month to get full root access.
Cost / License
- Free
- Proprietary
Platforms
- Online
i-Search Pro changes the way of WordPress Search. It’s full WooCommerce compatible. Provide Live search results in milliseconds. Include almost everything in your search results.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Self-Hosted
- Wordpress


+5
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.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)


+6
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...

































