Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Search Engine Applications
Apache Solr
Apache Solr is an enterprise search platform written in Java and using Apache Lucene . Major features include full-text search, index replication and sharding, and result faceting and highlighting.
Elasticsearch
Elasticsearch Elasticsearch is the distributed, RESTful search and analytics engine at the heart of the Elastic Stack.
Search Engine Libraries
Apache Lucene
Apache Lucene Apache Lucene is a high-performance, full featured text search engine library written in Java. Notice that Apache Lucene is not an out-of-box search engine application but rather a library to build a search engine (e.g., Solr).
Tantivy
Tantivy is a full text search engine library written in Rust.