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...
ParadeDB Alternatives
ParadeDB is described as 'Modern Elasticsearch alternative built on Postgres. Built for real-time, update-heavy workloads' and is a Search Server in the development category. There are more than 50 alternatives to ParadeDB for a variety of platforms, including Linux, Mac, Self-Hosted, Web-based and SaaS apps. The best ParadeDB alternative is Meilisearch. It's not free, so if you're looking for a free alternative, you could try Algolia or Elasticsearch. Other great apps like ParadeDB are Golem, OpenSearch, Apache Solr and Carrot2.
Alternatives list
- 28 OpenSearchServer alternatives
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SearchUnit is the modern, flexible, fully featured ASP.NET search engine component for your web applications. Free Community edition available.


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.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


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Search over millions of documents, and give to your users unique, amazing and unforgettable experiences.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Self-Hosted
- GitHub Pages

Magifind uses advanced AI and natural language processing to truly understand the intent behind a customer's search, not just match keywords. This semantic search approach allows Magifind to return highly relevant results, guiding customers to the exact products they are...
Cost / License
- Paid
- Proprietary
Platforms
- Software as a Service (SaaS)

Invector enhances the usability of existing data architectures like Data Warehouses and Data Lakes by enabling comprehensive search capabilities without requiring changes to these systems. We integrate advanced technologies to manage and search both structured and unstructured...
Cost / License
- Freemium
- Proprietary
Platforms
- Online

Measured Search provides a fully-managed personalized search & discovery service offering feature packed textual & relevance based search, contextualized recommendations combined with search & interaction analytics that enable you to increase conversions...
Cost / License
- Paid
- Proprietary
Platforms
- Linux
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 cloud deployment.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
Cludo is a powerful search solution to your website. It is built on top of Elasticsearch which means you do not have to do any further developing, or hire any developer concerning site search. Cludo's focus is to deliver an easy to use search engine with the greatest support...


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Luigi’s Box offers a set of powerful tools for eCommerce websites to improve search and product discovery. Luigi's Box increases your sales and conversions by providing your visitors with the best possible shopping experience.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


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ZIR AI allows application developers to add sophisticated ML-powered text search to their applications and platforms. It provides high performance gRPC APIs for indexing and running queries, encryption in transit and rest, and an OAuth 2.0 security model.




































