Vector databases
Pinecone, Weaviate, Qdrant, Chroma, LanceDB.
RAG and embedding workloads need a vector store. The tradeoffs are managed-vs-self-hosted, hybrid-search support, and operational complexity. Maintenance signals matter more here than for stateless tools — vector DBs hold your data.
Informational only. RepoPilot summarises public signals at the time of analysis. Not professional, security, or legal advice.
- milvus-io/milvusHealthy
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
Go·★ 45,808·pushed 22d agoStrong maintenance signals
- qdrant/qdrantHealthy
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
Rust·★ 34,071·pushed 29d agoStrong maintenance signals
- chroma-core/chromaHealthy
Search infrastructure for AI
Rust·★ 29,219·pushed 14d agoStrong maintenance signals
- weaviate/weaviateHealthy
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
Go·★ 16,740·pushed 29d agoStrong maintenance signals
- lancedb/lancedbHealthy
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
Rust·★ 11,350·pushed 14d agoStrong maintenance signals
- pgvector/pgvectorMixed
Open-source vector similarity search for Postgres
C·★ 22,677·pushed 1mo agoSingle-maintainer risk — review before adopting