Top 100 Knowledge Graph Repositories
Ranking
| Ranking | Project Name | Stars | Forks | Language | Open Issues | Description | Last Commit |
|---|---|---|---|---|---|---|---|
| 1 | graphify | 114,453 | 11,119 | Python | 593 | Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, e... | 2026-08-30 |
| 2 | Understand-Anything | 81,411 | 6,845 | TypeScript | 116 | Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI,... | 2026-09-03 |
| 3 | codegraph | 69,484 | 4,431 | C | 174 | Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% loca... | 2026-08-31 |
| 4 | GitNexus | 46,973 | 5,149 | TypeScript | 269 | GitNexus: The Zero-Server Code Intelligence Engine - GitNexus is a client-side knowledge graph creator that runs entirely in your browser. Drop in a git repository (Github, Gitlab, Azure, Local)... | 2026-09-03 |
| 5 | logseq | 44,758 | 2,796 | Clojure | 851 | A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV | 2026-09-03 |
| 6 | codebase-memory-mcp | 42,094 | 3,424 | C | 452 | High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary... | 2026-09-03 |
| 7 | graphiti | 30,569 | 3,103 | Python | 278 | Build Real-Time Knowledge Graphs for AI Agents | 2026-09-03 |
| 8 | cognee | 30,446 | 2,992 | Python | 214 | Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine. | 2026-09-04 |
| 9 | claude-obsidian | 14,603 | 1,459 | Python | 69 | Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal... | 2026-08-26 |
| 10 | QASystemOnMedicalKG | 7,364 | 2,275 | Python | 68 | A tutorial and implement of disease centered Medical knowledge graph and qa system based on it。知识图谱构建，自动问答，基于kg的自动问答。以疾病为中心的一定规模医药领域知识图谱，并以该知识图谱完成自动问答与分析服务。 | 2024-08-08 |
| 11 | Yuxi | 6,631 | 993 | Python | 84 | 可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows. | 2026-09-02 |
| 12 | athens | 6,303 | 397 | Clojure | 295 | Athens is no longer maintainted. Athens was an open-source, collaborative knowledge graph, backed by YC W21 | 2023-02-03 |
| 13 | FalkorDB | 5,848 | 451 | Rust | 513 | A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG). | 2026-09-04 |
| 14 | KnowledgeGraphData | 5,201 | 739 | Python | 27 | 史上最大规模1.4亿中文知识图谱开源下载 | 2023-12-06 |
| 15 | awesome-knowledge-graph | 5,154 | 935 | - | 7 | 整理知识图谱相关学习资料 | 2021-03-11 |
| 16 | code-graph-rag | 4,946 | 653 | Python | 105 | The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs | 2026-09-04 |
| 17 | DeepKE | 4,475 | 751 | Python | 0 | [EMNLP 2022] An Open Toolkit for Knowledge Graph Extraction and Construction | 2026-07-13 |
| 18 | KnowledgeGraphCourse | 4,469 | 1,142 | - | 17 | 东南大学《知识图谱》研究生课程 | 2025-04-29 |
| 19 | GraphGPT | 4,427 | 396 | JavaScript | 21 | Extrapolating knowledge graphs from unstructured text using GPT-3 🕵️♂️ | 2024-05-10 |
| 20 | Agriculture_KnowledgeGraph | 4,389 | 1,582 | Python | 59 | 农业知识图谱(AgriKG)：农业领域的信息检索，命名实体识别，关系抽取，智能问答，辅助决策 | 2025-02-11 |
| 21 | learn-agentic-ai | 4,352 | 1,008 | Jupyter Notebook | 12 | Learn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern and Agent-Native Cloud Technologies: OpenAI Agents SDK, Memory, MCP, A2A, Knowledge Graphs, Dapr, Rancher Desktop, and Kubernetes... | 2025-10-26 |
| 22 | knowledge_graph | 4,018 | 624 | Jupyter Notebook | 19 | Convert any text to a graph of knowledge. This can be used for Graph Augmented Generation or Knowledge Graph based QnA | 2026-08-15 |
| 23 | HippoRAG | 3,978 | 424 | Python | 8 | [NeurIPS'24] HippoRAG is a novel RAG framework inspired by human long-term memory that enables LLMs to continuously integrate knowledge across external documents. RAG + Knowledge Graphs + Personalized... | 2026-09-03 |
| 24 | Hyper-Extract | 3,911 | 446 | Python | 1 | Hypergraph is more powerful. Transform unstructured text into structured knowledge with LLMs. Graphs, hypergraphs, and spatio-temporal extractions — with one command. | 2026-09-04 |
| 25 | instagraph | 3,553 | 285 | Python | 23 | Converts text input or URL into knowledge graph and displays | 2023-12-24 |
| 26 | SocratiCode | 3,281 | 418 | TypeScript | 1 | Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polyglot dependency graphs, symbol-level impact analysis & call-fl... | 2026-09-03 |
| 27 | Financial-Knowledge-Graphs | 3,127 | 567 | Jupyter Notebook | 10 | 小型金融知识图谱构建流程（neo4j / python / cypher / KG） | 2024-07-07 |
| 28 | autoflow | 2,969 | 194 | TypeScript | 66 | pingcap/autoflow is a Graph RAG based and conversational knowledge base tool built with TiDB Serverless Vector Storage. Demo: https://tidb.ai | 2026-04-27 |
| 29 | ai-knowledge-graph | 2,904 | 392 | Python | 11 | AI Powered Knowledge Graph Generator | 2025-12-28 |
| 30 | knowledge | 2,662 | 310 | - | 2 | Go社区的知识图谱，Knowledge Graph | 2022-12-13 |
| 31 | graphrag-accelerator | 2,409 | 420 | Python | 56 | One-click deploy of a Knowledge Graph powered RAG (GraphRAG) in Azure | 2025-05-27 |
| 32 | graph-rag-agent | 2,332 | 322 | Python | 33 | 拼好RAG：手搓并融合了GraphRAG、LightRAG、Neo4j-llm-graph-builder进行知识图谱构建以及搜索；整合DeepSearch技术实现私域RAG的推理；自制针对GraphRAG的评估框架| Integrate GraphRAG, LightRAG, and Neo4j-llm-graph-builder for knowledge graph construction... | 2025-11-05 |
| 33 | relation-graph | 2,273 | 515 | JavaScript | 46 | relation-graph is an relationship graph component for React/Vue/Svelte relationship data visualization/edit. Through its slot-based customization model, users can fully customize graph elements with ... | 2026-05-20 |
| 34 | AmpliGraph | 2,238 | 258 | Python | 27 | Python library for Representation Learning on Knowledge Graphs https://docs.ampligraph.org | 2026-08-06 |
| 35 | openspg | 2,229 | 275 | Java | 53 | OpenSPG is a Knowledge Graph Engine developed by Ant Group in collaboration with OpenKG, based on the SPG (Semantic-enhanced Programmable Graph) framework. Core Capabilities: 1) domain model constra... | 2025-07-05 |
| 36 | KG-LLM-Papers | 2,228 | 158 | - | 5 | [Paper List] Papers integrating knowledge graphs (KGs) and large language models (LLMs) | 2026-03-02 |
| 37 | stock-knowledge-graph | 2,173 | 608 | Python | 19 | 利用网络上公开的数据构建一个小型的证券知识图谱/知识库 | 2020-07-23 |
| 38 | edgequake | 2,084 | 243 | Rust | 12 | EdegQuake 🌋 High-performance GraphRAG inspired from LightRag written in Rust; Transform documents into intelligent knowledge graphs for superior retrieval and generation | 2026-09-02 |
| 39 | pykeen | 2,034 | 226 | Python | 97 | 🤖 A Python library for learning and evaluating knowledge graph embeddings | 2026-09-01 |
| 40 | mcp-memory-service | 1,922 | 294 | Python | 4 | Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation. | 2026-09-02 |
| 41 | lat.md | 1,894 | 118 | TypeScript | 12 | Agent Lattice: a knowledge graph for your codebase, written in markdown. | 2026-09-04 |
| 42 | awesome-knowledge-graph | 1,886 | 178 | - | 4 | A curated list of Knowledge Graph related learning materials, databases, tools and other resources | 2026-02-28 |
| 43 | knowledge-graphs | 1,794 | 298 | JavaScript | 0 | A collection of research on knowledge graphs | 2022-10-07 |
| 44 | NLP-Knowledge-Graph | 1,766 | 367 | Python | 1 | 自然语言处理、知识图谱、对话系统，大模型等技术研究与应用。 | 2026-09-03 |
| 45 | KnowledgeGraph | 1,694 | 172 | Python | 1 | knowledge graph知识图谱,从零开始构建知识图谱 | 2023-09-18 |
| 46 | akutan | 1,650 | 104 | Go | 19 | A distributed knowledge graph store | 2019-07-18 |
| 47 | hash | 1,650 | 122 | TypeScript | 12 | 🚀 The open-source, multi-tenant platform for self-building knowledge graphs and simulation | 2026-09-04 |
| 48 | iwe | 1,614 | 74 | Rust | 0 | Markdown knowledge graph — LSP for your editor, CLI + MCP memory for your AI agents | 2026-09-04 |
| 49 | obsidian-advanced-canvas | 1,506 | 86 | TypeScript | 5 | ⚡ Supercharge your canvas experience! Graph view integration and unlimited styling options empower flowcharts, dynamic presentations, and interconnected knowledge. | 2026-09-03 |
| 50 | npcpy | 1,496 | 115 | Python | 3 | The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more. | 2026-09-04 |
| 51 | KBQA-for-Diagnosis | 1,491 | 387 | Python | 37 | Knowledge Graph,Question Answering System，基于知识图谱和向量检索的医疗诊断问答系统 | 2022-02-27 |
| 52 | row-bot | 1,480 | 172 | Python | 18 | Row-Bot - Personal AI Sovereignty. A local-first AI assistant with integrated tools, a personal knowledge graph, voice, vision, shell, browser automation, scheduled tasks, health tracking, and messagi... | 2026-08-28 |
| 53 | KB2E | 1,420 | 445 | C++ | 17 | Knowledge Graph Embeddings including TransE, TransH, TransR and PTransE | 2022-11-03 |
| 54 | KnowledgeGraphEmbedding | 1,383 | 272 | Python | 6 | 2023-12-15 | |
| 55 | dgl-ke | 1,333 | 201 | Python | 57 | High performance, easy-to-use, and scalable package for learning large-scale knowledge graph embeddings. | 2026-07-06 |
| 56 | kg-gen | 1,266 | 198 | Python | 25 | [NeurIPS '25] Knowledge Graph Generation from Any Text | 2026-03-24 |
| 57 | smart-second-brain | 1,233 | 112 | TypeScript | 29 | A free, open-source Obsidian plugin that makes your vault smarter: better search, an interactive knowledge graph, and an AI assistant that knows your notes. | 2026-09-03 |
| 58 | GraphGen | 1,216 | 97 | Python | 9 | GraphGen: Enhancing Supervised Fine-Tuning for LLMs with Knowledge-Driven Synthetic Data Generation | 2026-08-17 |
| 59 | open-semantic-search | 1,206 | 200 | Shell | 203 | Open Source research tool to search, browse, analyze and explore large document collections by Semantic Search Engine and Open Source Text Mining & Text Analytics platform (Integrates ETL for document... | 2025-04-19 |
| 60 | knowledge_graph_attention_network | 1,164 | 333 | Python | 55 | KGAT: Knowledge Graph Attention Network for Recommendation, KDD2019 | 2020-08-05 |
| 61 | Prometheus | 1,127 | 77 | Python | 7 | 🧠 Prometheus: A Knowledge-Graph-Driven 🤖 AI Agent that maps 🗺, understands 🧩, and repairs 🛠 complex codebases — not by guessing, but by reasoning. ⚡ | 2026-08-16 |
| 62 | KnowledgeGraph | 1,089 | 155 | Python | 6 | 史上最大规模1.4亿知识图谱数据免费下载，知识图谱，通用知识图谱，融合了两千五百多万的实体，拥有亿级别的实体属性关系。 | 2020-10-21 |
| 63 | Knowledge-Graph-Tutorials-and-Papers | 1,071 | 138 | - | 6 | Insightful Tutorials and Papers about Knowledge Graphs | 2026-08-14 |
| 64 | Agent_Memory_Techniques | 1,017 | 130 | Jupyter Notebook | 0 | Agent memory for LLMs: 30 runnable Jupyter notebooks covering conversation buffers, vector stores, knowledge graphs, episodic and semantic memory, MemGPT, Mem0, Letta, Zep, Graphiti, LoCoMo benchmarks... | 2026-08-28 |
| 65 | claude-code-memory-setup | 962 | 85 | Python | 4 | Up to 71.5x fewer tokens per session on Claude Code with Obsidian + Graphify. Persistent memory, codebase knowledge graphs, and chat import pipeline. 🇧🇷 PT-BR included. | 2026-06-01 |
| 66 | mindgraph | 949 | 110 | Python | 3 | proof of concept prototype for generating and querying against an ever-expanding knowledge graph with ai | 2024-04-08 |
| 67 | KG_RAG | 943 | 114 | Jupyter Notebook | 5 | Empower Large Language Models (LLM) using Knowledge Graph based Retrieval-Augmented Generation (KG-RAG) for knowledge intensive tasks | 2024-11-09 |
| 68 | ontop | 938 | 199 | Java | 99 | Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL | 2026-07-13 |
| 69 | PersonRelationKnowledgeGraph | 928 | 262 | Python | 10 | ChinesePersonRelationGraph, person relationship extraction based on nlp methods.中文人物关系知识图谱项目,内容包括中文人物关系图谱构建,基于知识库的数据回标,基于远程监督与bootstrapping方法的人物关系抽取,基于知识图谱的知识问答等应用。 | 2018-12-15 |
| 70 | mcp-knowledge-graph | 889 | 101 | JavaScript | 3 | MCP server enabling persistent memory for Claude through a local knowledge graph - fork focused on local development | 2026-05-29 |
| 71 | docling-graph | 853 | 88 | Python | 1 | Transform unstructured documents into validated, rich and queryable knowledge graphs. | 2026-09-03 |
| 72 | kge | 835 | 132 | Python | 24 | LibKGE - A knowledge graph embedding library for reproducible research | 2026-04-01 |
| 73 | PrimeKG | 820 | 158 | Jupyter Notebook | 7 | Precision Medicine Knowledge Graph (PrimeKG) | 2026-06-30 |
| 74 | hound | 812 | 153 | Python | 13 | Language-agnostic AI auditor that autonomously builds and refines adaptive knowledge graphs for deep, iterative code reasoning. | 2026-07-14 |
| 75 | axon | 810 | 123 | Python | 27 | Graph-powered code intelligence engine — indexes codebases into a knowledge graph, exposed via MCP tools for AI agents and a CLI for developers. | 2026-08-03 |
| 76 | AutoSchemaKG | 809 | 106 | Python | 6 | This repository contains the implementation of AutoSchemaKG, a novel framework for automatic knowledge graph construction that combines schema generation via conceptualization. | 2026-04-29 |
| 77 | kg-bert | 796 | 150 | Python | 25 | KG-BERT: BERT for Knowledge Graph Completion | 2025-07-23 |
| 78 | sift-kg | 794 | 72 | Python | 3 | Turn any collection of documents into a knowledge graph. Extract entities and relationships via LLM, deduplicate with your approval. Map domains, find hidden connections, spot patterns across document... | 2026-05-12 |
| 79 | chatbot-base-on-Knowledge-Graph | 792 | 212 | Python | 27 | 使用深度学习方法解析问题 知识图谱存储 查询知识点 基于医疗垂直领域的对话系统 | 2019-09-07 |
| 80 | prettygraph | 783 | 59 | HTML | 7 | An experimental UI for text-to-knowledge-graph generation | 2024-05-02 |
| 81 | knowledge-graph-learning | 778 | 115 | - | 377 | A curated list of awesome knowledge graph tutorials, projects and communities. | 2026-08-26 |
| 82 | ChainKnowledgeGraph | 770 | 176 | Python | 9 | ChainKnowledgeGraph, 产业链知识图谱包括A股上市公司、行业和产品共3类实体，包括上市公司所属行业关系、行业上级关系、产品上游原材料关系、产品下游产品关系、公司主营产品、产品小类共6大类。 上市公司4,654家，行业511个，产品95,559条、上游材料56,824条，上级行业480条，下游产品390条，产品小类52,937条，所属行业3,946条。 | 2025-12-22 |
| 83 | unigraph-dev | 765 | 56 | TypeScript | 22 | A local-first and universal knowledge graph, personal search engine, and workspace for your life. | 2023-06-19 |
| 84 | context-portal | 765 | 78 | Python | 20 | Context Portal (ConPort): A memory bank MCP server building a project-specific knowledge graph to supercharge AI assistants. Enables powerful Retrieval Augmented Generation (RAG) for context-aware dev... | 2026-01-27 |
| 85 | Z_knowledge_graph | 764 | 225 | TSQL | 5 | Bulding kg from 0 | 2020-08-17 |
| 86 | FounderOS-DEMO | 761 | 221 | TypeScript | 3 | An open-source, single-operator business command center: run a one-person operated company as AI-assisted departments (comms, funnel, social, finances, agents, and a knowledge graph) from one live das... | 2026-08-25 |
| 87 | knowledge-graph-llms | 745 | 224 | Jupyter Notebook | 1 | In this project, I explored how to extract knowledge graphs from text using LLMs, such as OpenAI GPT4o. | 2025-05-28 |
| 88 | graphrag-workbench | 718 | 91 | TypeScript | 0 | Interactive 3D visualization of knowledge graphs generated by Microsoft GraphRAG. Explore entities, relationships, and communities with immersive visual analytics. | 2026-07-18 |
| 89 | pygraft | 715 | 53 | Python | 2 | Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips | 2026-01-26 |
| 90 | Awesome-DynamicGraphLearning | 710 | 87 | Shell | 3 | Awesome papers about machine learning (deep learning) on dynamic (temporal) graphs (networks / knowledge graphs). | 2025-06-04 |
| 91 | DRKG | 705 | 164 | Jupyter Notebook | 21 | A knowledge graph and a set of tools for drug repurposing | 2022-04-19 |
| 92 | knowledge-graph-from-GPT | 692 | 51 | Jupyter Notebook | 0 | Using GPT to organize and access information, and generate questions. Long term goal is to make an agent-like research assistant. | 2025-10-21 |
| 93 | ConvE | 691 | 166 | Python | 23 | Convolutional 2D Knowledge Graph Embeddings resources | 2024-03-29 |
| 94 | kglab | 691 | 75 | Jupyter Notebook | 12 | Graph Data Science: an abstraction layer in Python for building knowledge graphs, integrated with popular graph libraries – atop Pandas, NetworkX, RAPIDS, RDFlib, pySHACL, PyVis, morph-kgc, pslpython,... | 2026-01-25 |
| 95 | comet-commonsense | 688 | 125 | Python | 3 | Code for ACL 2019 Paper: "COMET: Commonsense Transformers for Automatic Knowledge Graph Construction" https://arxiv.org/abs/1906.05317 | 2022-11-17 |
| 96 | swarmvault | 678 | 79 | TypeScript | 5 | The local-first LLM Wiki: open-source knowledge graph builder, RAG knowledge base, and agent memory store. Built on Andrej Karpathy's pattern. An Obsidian alternative for personal knowledge management... | 2026-06-30 |
| 97 | qagnn | 657 | 115 | Python | 0 | [NAACL 2021] QAGNN: Question Answering using Language Models and Knowledge Graphs 🤖 | 2023-03-12 |
| 98 | latticedb | 653 | 29 | Zig | 2 | Embedded single-file knowledge graph database with vector search and full-text search for AI/RAG apps | 2026-08-31 |
| 99 | ULTRA | 639 | 85 | Python | 4 | A foundation model for knowledge graph reasoning | 2025-02-03 |
| 100 | LinkedDataHub | 629 | 151 | XSLT | 29 | The low-code Knowledge Graph application platform. Apache license. | 2026-09-03 |