Top 23 Python knowledge-graph Projects

knowledge-graph

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1. MiroFish

   1 6 66,672 9.5 Python

   A Simple and Universal Swarm Intelligence Engine, Predicting Anything. 简洁通用的群体智能引擎，预测万物

   

   Project mention: Miro Fish: Predicting Anything | news.ycombinator.com | 2026-05-19

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. LightRAG

   2 12 36,766 10.0 Python

   [EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"

   

   Project mention: Show HN: Query years of Ask HN and Show HN discussions as local knowledge graph | news.ycombinator.com | 2026-05-10

   I built lightrag-snkv, Basically it uses lightRAG https://github.com/HKUDS/LightRAG ,this requires various storage databases like key value store, graph database, vector database, I built single embedded file based database which covers all these requirements: https://github.com/hash-anu/snkv.

4. code-review-graph

   3 4 18,665 8.5 Python

   Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codebase so AI coding tools read only what matters, with benchmarked context reductions on reviews and large-repo workflows.

   

   Project mention: Code-review-graphv 2.1.0, 8× fewer tokens for code reviews via structural graph | news.ycombinator.com | 2026-04-03

   • True zero-config install — one command across 7 platforms

   Tech: Python + Tree-sitter + SQLite (WAL) + FastMCP. 572 tests.

   https://code-review-graph.com

   GitHub: https://github.com/tirth8205/code-review-graph

   pip install code-review-graph && code-review-graph install

5. cognee

   4 18 17,885 10.0 Python

   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.

   

   Project mention: Under the Hood of 348+ Code Merges: My Open Source Evolution | dev.to | 2026-06-21

   topoteretes/cognee

6. KAG

   5 5 8,834 9.6 Python

   KAG is a logical form-guided reasoning and retrieval framework based on OpenSPG engine and LLMs. It is used to build logical reasoning and factual Q&A solutions for professional domain knowledge bases. It can effectively overcome the shortcomings of the traditional RAG vector similarity calculation model.

   

   Project mention: The AI-Native GraphDB + GraphRAG + Graph Memory Landscape & Market Catalog | dev.to | 2025-10-26

   KAG (OpenSPG) - github.com/OpenSPG/KAG

7. potpie

   6 15 5,458 9.3 Python

   Spec-driven development for large codebases

   

   Project mention: What is Potpie.ai and why it matters for developers | dev.to | 2026-02-06

   🌐 Official website https://potpie.ai

8. RecBole

   7 3 4,434 7.6 Python

   A unified, comprehensive and efficient recommendation library

   

9. DeepKE

   8 2 4,425 7.2 Python

   [EMNLP 2022] An Open Toolkit for Knowledge Graph Extraction and Construction

   

10. MemMachine

    9 2 3,120 9.8 Python

    Universal memory layer for AI Agents. It provides scalable, extensible, and interoperable memory storage and retrieval to streamline AI agent state management for next-generation autonomous systems.

    

    Project mention: MemMachine, an open-source memory layer for advanced AI agents | news.ycombinator.com | 2025-11-21

11. llm-wiki-agent

    10 5 2,925 4.5 Python

    A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed.

    

    Project mention: Show HN: Claude Soul – cross-session learning engine for Claude Code | news.ycombinator.com | 2026-05-18

    I'm really interested in trying this out. Currently, I'm using the standard Obsidian MD format for long-term memory (https://github.com/SamurAIGPT/llm-wiki-agent) and asking the agent to access the wiki at the start of the task and then record useful information at the end

12. ai-knowledge-graph

    11 1 2,310 7.3 Python

    AI Powered Knowledge Graph Generator

    

13. WFGY

    12 27 1,757 10.0 Python

    Verification-first reasoning engine for LLMs, with reproducible demos and audit-oriented specifications. Includes WFGY 3.0 Singularity Demo (public spec) and engineering failure maps for real systems.

    

    Project mention: Show HN: A text-only reasoning core for LLMs (MIT, system prompt and self-test) | news.ycombinator.com | 2026-02-13

14. graphify

    13 7 1,469 - Python

    AI coding assistant skill (Claude Code, Codex, OpenCode, OpenClaw). Turn any folder of code, docs, papers, or images into a queryable knowledge graph

    

    Project mention: Don't fork the code — fork the design: introducing DeepFork | dev.to | 2026-06-15

    DeepFork uses graphify (65.9k★) to generate an AST-based knowledge graph of the repo. You get the structural map — modules, dependencies, call graph — before reading a single file. This is what makes the interrogation phase tractable for large repos.

15. dgl-ke

    14 1 1,329 1.6 Python

    High performance, easy-to-use, and scalable package for learning large-scale knowledge graph embeddings.

    

16. Semantica

    15 5 1,229 9.9 Python

    Semantica 🧠 • Build AI systems that can explain, trace, and justify every decision. Knowledge graphs, context graphs, reasoning engines, provenance, and governance for production AI.

    

    Project mention: Show HN: Semantica – Explainable GraphRAG with Provenance | news.ycombinator.com | 2026-02-03

17. kg-gen

    16 3 1,203 9.1 Python

    [NeurIPS '25] Knowledge Graph Generation from Any Text

    

    Project mention: KGGen: Extracting Knowledge Graphs from Plain Text with Language Models | news.ycombinator.com | 2026-01-05

18. ApeRAG

    17 2 1,193 9.7 Python

    ApeRAG: Production-ready GraphRAG with multi-modal indexing, AI agents, MCP support, and scalable K8s deployment

    

    Project mention: The AI-Native GraphDB + GraphRAG + Graph Memory Landscape & Market Catalog | dev.to | 2025-10-26

    GitHub: https://github.com/apecloud/ApeRAG

19. contextualise

    18 11 1,097 9.2 Python

    Contextualise is an effective tool particularly suited for organising information-heavy projects and activities consisting of unstructured and widely diverse data and information resources

    

20. GraphRAG-SDK

    19 13 945 9.7 Python

    Build fast and accurate GenAI apps with GraphRAG SDK at scale 🌟

    

    Project mention: The AI-Native GraphDB + GraphRAG + Graph Memory Landscape & Market Catalog | dev.to | 2025-10-26

21. Nucleoid

    20 4 751 7.8 Python

    Logic Language for LLMs 🌱🐋🌍 Build Neuro-Symbolic AI for Learning and Reasoning

    

22. pygraft

    21 1 707 6.0 Python

    Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips

    

23. qagnn

    22 6 662 0.0 Python

    [NAACL 2021] QAGNN: Question Answering using Language Models and Knowledge Graphs 🤖

    

24. m_flow

    23 1 539 - Python

    Graph RAG finds what's similar. M-flow finds what's relevant.

    

    Project mention: Graph RAG finds what's similar. We should aim for what's relevant | news.ycombinator.com | 2026-04-18

Python knowledge-graph related posts

• Build a full knowledge graph locally with any video

  1 project | news.ycombinator.com | 19 Jun 2026

• DeepFork – reverse-engineer any OSS repo into a clean-room rebuild blueprint

  2 projects | news.ycombinator.com | 15 Jun 2026

• Two Pre-Registered Benchmarks for Audit-Native RAG: RAB (EU AI Act 10/12/19) + LRB (Time-Travel Retrieval)

  1 project | dev.to | 13 Jun 2026

• Create Agents that are Traceable, detect loops and have a shared memory

  1 project | news.ycombinator.com | 5 Jun 2026

• Cheese Paper: a text editor specifically designed for writing

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• 🔬 Direction 1 closure on JAMES — when the hypothesis fails but the data turns "7-tier monotonic natural-stop gradient"

  1 project | dev.to | 24 May 2026

• Miro Fish: Predicting Anything

  1 project | news.ycombinator.com | 19 May 2026
• A note from our sponsor - SaaSHub
  www.saashub.com | 21 Jun 2026

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