epitweetr

A better compressed bitset in Java: used by Apache Spark, Netflix Atlas, Apache Pinot, Tablesaw, and many others

Elassandra = Elasticsearch + Apache Cassandra

Stroom is a highly scalable data storage, processing and analysis platform.

Score documents using embedding-vectors dot-product or cosine-similarity with ES Lucene engine

Elasticsearch plugin for nearest neighbor search. Store vectors and run similarity search using exact and approximate algorithms.

HanLP中文分词Lucene插件，支持包括Solr在内的基于Lucene的系统

A JavaFX based desktop search application.

Spark RDD with Lucene's query and entity linkage capabilities

Distributed Realtime Search with Lucene and MongoDB

Natural Series Database