
deepset-ai/haystackOpen-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
Python★ 26.5K2026年9月16日
PyPI · npm · crates.io +198卓越健康指数

lancedb/lancedbDeveloper-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
Rust · Python · HTML★ 11.5K↓ 20.7M/月2026年9月19日

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★ 16.8K2026年9月16日
Python · Jupyter Notebook★ 3,4192026年9月11日

infinispan/infinispanInfinispan is an open source data grid platform and highly scalable NoSQL cloud data store.
Java★ 1,3572026年10月19日

meilisearch/meilisearchA lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
Rust★ 59.3K2026年9月16日

paradedb/paradedbOne Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
Rust · PLpgSQL★ 9,2042026年8月28日

alibaba/zvecA lightweight, lightning-fast, in-process vector database
C++★ 16K↓ 44.7K/月2026年9月16日

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/月2026年9月16日

doobidoo/mcp-memory-serviceOpen-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.
Python · HTML · JavaScript★ 2,016↓ 8,649/月2026年10月15日

neuml/txtai💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
Python★ 13K2026年9月20日

docmd-io/docmdDocumentation compiler for humans and machines. One Markdown source to website, search, AI context, and knowledge formats together.
TypeScript · JavaScript · CSS★ 2,531↓ 380.5K/月2026年10月22日
PyPI · npm · crates.io92优秀健康指数

infino-ai/infinoEmbedded retrieval library built on Parquet. Fast, efficient, and scalable.
Rust★ 81↓ 8,183/月2026年9月18日
TypeScript★ 278↓ 3.6M/月2026年8月27日

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/月2026年10月20日

MinishLab/sembleFast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read
Python★ 5,966↓ 121.9K/月2026年8月28日
crates.io · npm · Go +291优秀健康指数

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/月2026年10月20日

usemoss/mossThe retrieval layer for production AI systems. Lightning-fast (<10ms) search without vector databases. Built for browser, edge, on-device, and cloud.
Python · TypeScript★ 6832026年9月18日

zilliztech/memsearchA persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex, DSH), backed by Markdown and Milvus.
Python · JavaScript · Shell★ 2,5842026年9月10日

54yyyu/zotero-mcpZotero MCP: Connects your Zotero research library with Claude and other AI assistants via the Model Context Protocol to discuss papers, get summaries, analyze citations, and more.
Python · TypeScript★ 5,482↓ 26.4K/月2026年10月20日

joshuaswarren/remnicOpen-source memory and context for user-aware agents: scoped memory, provenance, retrieval quality, correction, boundaries, evals, and MCP/HTTP access.
TypeScript★ 228↓ 37.5K/月2026年10月20日

jztan/pdf-mcpAn MCP server that gives your AI agent agentic RAG over your PDFs, one file or a whole folder: hybrid semantic + keyword search, selective page reads, tables, images, OCR, chart data, and multi-column/CJK layouts. The agent decides when to search; pdf-mcp does the retrieval.
Python★ 134↓ 6,229/月2026年9月15日
TypeScript★ 101↓ 1.4M/月2026年9月12日

yifanfeng97/Hyper-ExtractHypergraph is more powerful. Transform unstructured text into structured knowledge with LLMs. Graphs, hypergraphs, and spatio-temporal extractions — with one command.
Python★ 3,937↓ 3,843/月2026年9月15日

bobmatnyc/claude-mpmClaude Multi-Agent Project Manager — multi-channel orchestration, GitHub-first SDK mode, and plugin system for Claude
Python★ 150↓ 12.7K/月2026年9月10日
Python · TypeScript★ 6,567↓ 6,678/月2026年8月28日
crates.io · npm · PyPI87优秀健康指数

cyberlife-coder/VelesDBThe explainable, local-first memory engine for AI agents. One ~9 MB binary fuses vector + graph + columnar under VelesQL; why() returns the evidence path behind every recall. No cloud, no glue code — runs on server, browser, mobile and desktop.
Rust · Python★ 99↓ 1,875/月2026年10月22日

eric-cielo/mofloMoFlo — an opinionated, local-first AI agent orchestration toolkit for Claude Code: semantic memory, learned routing, gates, and spells. No API keys, no cloud, works out of the box.
TypeScript · JavaScript★ 19↓ 5,026/月2026年10月22日

jgravelle/jdocmunch-mcpThe leading, most token-efficient MCP server for documentation exploration and retrieval via structured section indexing
Python★ 206↓ 5,518/月2026年10月20日

lyonzin/knowledge-ragLocal RAG MCP server for Claude Code — hybrid search (semantic + BM25), cross-encoder reranking, 13 MCP tools, 20 format parsers. Zero external servers, zero API keys.
Python★ 290↓ 2,794/月2026年10月4日