PyPI · npm99Exceptionalhealth index
TypeScript · Python★ 11.1K↓ 126.1K/moSep 17, 2026
Go98Exceptionalhealth index

milvus-io/milvusMilvus is a high-performance, cloud-native vector database built for scalable vector ANN search
Go · C++ · Python★ 46.1KSep 16, 2026
Go · PyPI98Exceptionalhealth index

weaviate/weaviateWeaviate 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★ 16.8KSep 16, 2026
NuGet97Exceptionalhealth index
C# · TypeScript★ 4,005Oct 21, 2026
PyPI97Exceptionalhealth index
Python★ 424↓ 2.8M/moAug 27, 2026
PyPI96Exceptionalhealth index

NVIDIA/raftRAFT contains fundamental widely-used algorithms and primitives for machine learning and information retrieval. The algorithms are CUDA-accelerated and form building blocks for more easily writing high performance applications.
Cuda · C++★ 1,042Sep 17, 2026
crates.io96Exceptionalhealth index

meilisearch/meilisearchA lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
Rust★ 59.3KSep 16, 2026
PyPI · crates.io96Exceptionalhealth index
Python · Rust★ 721↓ 95.7K/moSep 13, 2026
PyPI · Go · npm96Exceptionalhealth index

onyx-dot-app/onyxOpen Source AI Platform - AI Chat with advanced features that works with every LLM
Python · TypeScript★ 32.1K↓ 5,015/moSep 16, 2026
crates.io96Exceptionalhealth index

paradedb/paradedbOne Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
Rust · PLpgSQL★ 9,204Aug 28, 2026
Maven · RubyGems96Exceptionalhealth index
Java · C++★ 7,118Oct 3, 2026
PyPI95Exceptionalhealth index
Jupyter Notebook · Python★ 146↓ 786.2K/moSep 15, 2026
PyPI95Exceptionalhealth index
Python★ 227↓ 48.8M/moSep 10, 2026
Maven · Go · npm +194Exceptionalhealth index

ArcadeData/arcadedbArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.
Java★ 1,153Sep 14, 2026
PyPI · Go · npm94Exceptionalhealth index

Tencent/WeKnoraOpen-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
Go · Vue · TypeScript★ 25.2K↓ 735/moSep 16, 2026
PyPI · Go · npm94Exceptionalhealth index

infiniflow/infinityThe AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
C++★ 4,684Aug 28, 2026
PyPI94Exceptionalhealth index
Python★ 1,374↓ 12M/moOct 19, 2026
PyPI93Exceptionalhealth index

neuml/txtai💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
Python★ 13KSep 20, 2026
PyPI93Exceptionalhealth index

qdrant/fastembedFast, Accurate, Lightweight Python library to make State of the Art Embedding
Python · Jupyter Notebook★ 3,193↓ 5.2M/moSep 10, 2026
PyPI · npm · crates.io92Excellenthealth index

infino-ai/infinoEmbedded retrieval library built on Parquet. Fast, efficient, and scalable.
Rust★ 81↓ 8,183/moSep 18, 2026
crates.io · PyPI92Excellenthealth index

qdrant/qdrantQdrant - 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★ 34.6K↓ 61/moSep 16, 2026

redis/redisFor developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
C · Tcl★ 76.4KSep 16, 2026
npm · crates.io92Excellenthealth index

ruvnet/RuVectorRuVector provides High Performance, Real-Time decisions and agent memory , Self-Learning Ai, Vector GNN DB built in Rust.
Rust · TypeScript★ 4,599↓ 489.6K/moOct 20, 2026
crates.io · npm · Go +291Excellenthealth index

unum-cloud/USearchFast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
C++ · Python★ 4,345↓ 372K/moOct 20, 2026
PyPI · crates.io90Excellenthealth index
Python★ 449↓ 7M/moAug 27, 2026
npm90Excellenthealth index
TypeScript★ 101↓ 1.4M/moSep 12, 2026
PyPI · npm89Excellenthealth index

cdeust/CortexCross-platform persistent memory MCP for Codex, Gemini CLI, Claude Code, and other local MCP hosts. 36 cited neuroscience mechanisms, local-first SQLite/PostgreSQL, hybrid retrieval, decay-based consolidation, and reproducible benchmarks. Claude adds optional automatic lifecycle hooks.
Python★ 71↓ 2,447/moSep 5, 2026
crates.io89Excellenthealth index
Rust★ 415↓ 310K/moSep 17, 2026
crates.io88Excellenthealth index
Rust★ 1,007↓ 621.2K/moSep 9, 2026
PyPI · crates.io88Excellenthealth index
Rust · Python★ 16.2K↓ 76K/moAug 23, 2026