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, Manticore search, Searchspring and Carrot2.
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.
Search over millions of documents, and give to your users unique, amazing and unforgettable experiences.
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...
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...
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.
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...
Simplify how agents connect to enterprise data. Build high-impact AI apps with one centralized solution for agentic retrieval-augmented generation (RAG) workflows.
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.
TinySearch is a lightweight, fast, full-text search engine. It is designed for static websites.
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 performed at serving time.
Open-source neural search framework for text, images, audio, or video. Leverages pre-trained neural network algorithms to index and query data without need for complex rules and fragile pipelines.
Enterprise search, simplified. Cloud-based enterprise search solution that search across all of your organization’s content sources — Aconex, Procore, Dropbox, Microsoft Sharepoint, Onedrive, and more.
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