Polygres is a specialized platform designed to enhance PostgreSQL databases with advanced search and retrieval capabilities. Polygres is a managed PostgreSQL database service that integrates advanced search and retrieval capabilities, such as graph traversal, vector similarity, full text search and hybrid query composition, directly on top of your relational database tables. https://www.i-programmer.info/news/84-database/19138-polygres-advanced-search-on-postgresql.html
Developed by Actian Corporation, VectorAI DB is an on premises vector database purpose built for high performance, reliable AI applications https://www.i-programmer.info/news/84-database/19130-actian-vectorai-db-a-new-player-in-the-vector-database-space.html