Apache Solr Alternatives

Apache Solr is described as '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 highlighting, faceted search, dynamic clustering, database integration, and rich document handling' and is a Search Server in the development category. There are more than 25 alternatives to Apache Solr for a variety of platforms, including Web-based, Linux, Self-Hosted, Mac and Windows apps. The best Apache Solr 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 Apache Solr are OpenSearch, Carrot2, Manticore search and Searchspring.

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Alternatives list

  1. ItemsAPI icon
     4 likes

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • elasticsearch
    • Heroku
    • Node.JS
     
  2. 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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  3. strus icon
     2 likes

    The open source (GPL v3) project strus provides a collection of programs and libraries (language C++) for building a competitive scalable full-text search engine. The search index is distributable and user rights can be implemented.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
     
  4. FreeFind icon
     2 likes

    Free site search engine. Add a site search engine to your website today, for free, in less than ten minutes. Choose from Free and Pro site search engines.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  5. Apisearch icon
     2 likes

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

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Self-Hosted
    • Instagram
    • Twitter
    • GitHub Pages
     
  6. Magifind icon
     2 likes

    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)
     
  7. 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
     
  8. SearchBlox icon
     1 like

    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

    Platforms

    • Mac
    • Windows
    • Linux
     
  9. 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...

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
     
  10. Simplify how agents connect to enterprise data. Build high-impact AI apps with one centralized solution for agentic retrieval-augmented generation (RAG) workflows.

    31 Azure AI Search alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Microsoft Azure
     
  11. 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.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
     
  12. TinySearch is a lightweight, fast, full-text search engine. It is designed for static websites.

    Cost / License

    Platforms

    • Self-Hosted
     
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