Apache Lucene is described as 'High-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Apache Lucene is a open source' and is an app in the File Management category. There are three alternatives to Apache Lucene for a variety of platforms, including Online / Web-based, SaaS, Windows, Self-Hosted solutions and Java. The best alternative is elasticsearch, which is free. Other great apps like Apache Lucene are ZIR Semantic Search (Paid) and Tribus (Freemium).
ZIR AI allows application developers to add sophisticated ML-powered text search to their applications and platforms. It provides high performance gRPC APIs for indexing and running queries, encryption in transit and rest, and an OAuth 2.0 security model.
Enterprise search, simplified. Cloud-based enterprise search solution that search across all of your organization’s content sources — Aconex, Procore, Dropbox, Microsoft Sharepoint, Onedrive, and more.