Weaviate

Weaviate is an open-source, production-grade vector database company that enables teams to build AI-native applications with hybrid semantic and keyword search. Its platform stores data objects, vectors, and keyword indexes together, and it offers flexible deployment options including self-hosted, bring-your-own-cloud, and fully managed cloud. Weaviate also provides managed services such as Engram, a purpose-built memory and context layer for AI agents.