Search & Retrieval
apache/lucene-solr
Apache Lucene and Solr open-source search software
OtherApache-2.0updated May 15, 2026
Terrier IR Platform
$ git clone https://github.com/terrier-org/terrier-core.gitApache Lucene and Solr open-source search software
The Cognitive Foundry is an open-source Java library for building intelligent systems using machine learning
๐ PageIndex: Document Index for Vectorless, Reasoning-based RAG
Data from GitHub ยท snapshot Sep 24, 2026