ZIR Semantic Search is described as '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' and is a Search Server in the development category. There are more than 10 alternatives to ZIR Semantic Search for a variety of platforms, including Web-based, Linux, Self-Hosted, SaaS and Mac apps. The best ZIR Semantic Search alternative is Algolia. It's not free, so if you're looking for a free alternative, you could try Algolia or Elasticsearch. Other great apps like ZIR Semantic Search are Apache Solr, Manticore search, Searchspring and Pagefind.