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Repositories in this selection 7 · UTC 2026-11-04
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1—Ccrate / crateCrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.JavaApache-2.0 · PermissiveInsufficient rank history4,450620——2026-11-02
2—Aapache / lucene-solrApache Lucene and Solr open-source search softwareUnknownApache-2.0 · PermissiveInsufficient rank history4,3652,583——2026-05-15
3—RRoaringBitmap / RoaringBitmapA better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many othersJavaApache-2.0 · PermissiveInsufficient rank history3,955598——2026-11-03
4—Aapache / luceneApache Lucene open-source search softwareJavaApache-2.0 · PermissiveInsufficient rank history3,6051,454——2026-11-02
5—Ssmartstore / SmartStoreNETOpen Source ASP.NET MVC Enterprise eCommerce Shopping Cart SolutionC#GPL-3.0 · Share derivative sourceInsufficient rank history2,6621,447——2023-06-27
6—Aapache / solrApache Solr open-source search softwareJavaApache-2.0 · PermissiveInsufficient rank history1,696872——2026-11-02
7—Ccodelibs / fessOpen-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.JavaApache-2.0 · PermissiveInsufficient rank history1,142177——2026-11-03
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