ParadeDB is a modern Elasticsearch alternative built on Postgres. Built for real-time, update-heavy workloads.
Cost / License
- Free
- Open Source
Application type
Platforms
- Self-Hosted
- Docker
- Kubernetes
- PostgreSQL

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 Linux, Web-based, Self-Hosted, Mac and Windows 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.
ParadeDB is a modern Elasticsearch alternative built on Postgres. Built for real-time, update-heavy workloads.

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.

Adds a customizable search box to your web pages and show fast, relevant results powered by Google Search. It is useful in the ways that is free, but has quite bad crawlers for YOUR website.




Milvus is an open-source vector database built to power embedding similarity search and AI applications. Milvus makes unstructured data search more accessible, and provides a consistent user experience regardless of the deployment environment.

