A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others
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Elassandra = Elasticsearch + Apache Cassandra
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.
A library and microservice implementing the health and care terminology SNOMED CT with support for cross-maps, inference, fast full-text search, autocompletion, compositional grammar and the expression constraint language.
Grep-like utility based on Lucene Monitor compiled with GraalVM native-image
A platform for real-time streaming search
Beagle helps you identify keywords, phrases, regexes, and complex search queries of interest in streams of text documents.
A blueprint adapting VertX to distributed game server
Parse Lucene-style query syntax into BSON filters for MongoDB — fast, simple, and developer-friendly.