1.milvus-io / milvus
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
+2,746 stars
from 43,805 · score 7.92
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2.weaviate / weaviate
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.
+901 stars
from 16,033 · score 6.80
3.orneryd / NornicDB
Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.
+220 stars
from 702 · score 5.40
4.philippgille / chromem-go
Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.
+141 stars
from 931 · score 4.96