1.elastic / elasticsearch
Free and Open Source, Distributed, RESTful Search Engine
+1,033 stars
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6 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
Free and Open Source, Distributed, RESTful Search Engine
🔎 Open source distributed and RESTful search engine.
Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance
Apache Solr open-source search software
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)