1.qdrant / qdrant
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/
+123 stars
from 35,247 · score 4.82
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2.milvus-io / milvus
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
+75 stars
from 46,476 · score 4.33
3.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.
+23 stars
from 16,911 · score 3.18
4.alibaba / zvec
A lightweight, lightning-fast, in-process vector database
+23 stars
from 16,148 · score 3.18
5.infiniflow / infinity
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
+10 stars
from 4,742 · score 2.40
6.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.
+6 stars
from 916 · score 1.95