Fess is very powerful and easily deployable Enterprise Search Server.

Full Text Search Engine Server for Java, Lightweight embeddable, powered by iBoxDB.

The library web application where you can borrow books. It's Spring MVC and Hibernate project.

🔧 A tool can really search everywhere for you.

Elasticsearch based secondary index for Cassandra used by Genesys UCS

Elasticsearch plugin for Para

A highly scalable RDF triple store with full-text and GeoSPARQL support

Spring Data implementation for Hibernate Search, JPA (full-text), Infinispan, GAE, ...

A document indexing daemon that can populate Elasticsearch indexes with the contents and metadata of a number of document types including PDF, image scans, etc. Used to power Facile Search, however can be re-used for anything that requires search indexing for scanned documents.

Elasticsearch v5.x plugin for Para

JBuy - an ecommerce website using Spring and Angular 2

Full Text Search Over Probabilistic Lattices with Elasticsearch!

Lucene plugin for Para

Full-Text Search Addon

Search engine for wwwconf-based forums using Lucene, Tomcat, Maven, Spring

simple full text search application

Full Text Search built for PDFs, DOCX using Inverted Index in Java

A predictive search API that gives you the freedom to search on millions of entries in a database with ease.

Distributed full-text search engine