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Discover open-source AI tools.

1,004 apps, agents and plugins from GitHub, ranked on how actively they are maintained rather than on stars. Security review is in progress and every project shows exactly what has and has not been checked.

tech·an·dri·a/tɛkˈændriə/n.
A library for the tools of a new age. After the Library of Alexandria, which copied every scroll that reached its harbour before it went on the shelf.
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Ranked by total stars at the last daily refresh. This is not stars earned during the selected period. Star counts in the AI category are known to be inflated by fake-star campaigns, so activity and license are shown first.

28 projects matching “knowledge”Page 1 of 2
Graphify-Labs organisation mark

graphify

Graphify-Labs/graphify

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, every edge explained, no vector store.

Pushed 2 days ago.Apache License 2.0PythonDeveloper tools141.6k+5.0k
infiniflow organisation mark

ragflow

infiniflow/ragflow

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

Pushed yesterday.Apache License 2.0GoDeveloper tools93.4k+472
Egonex-AI organisation mark

Understand-Anything

Egonex-AI/Understand-Anything

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, and more.

Pushed 9 days ago.MIT LicenseTypeScriptDeveloper tools90.2k+1.7k
lobehub organisation mark

lobehub

lobehub/lobehub

🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

Pushed yesterday.OtherTypeScriptAgents83.8k+252
calesthio organisation mark

OpenMontage

calesthio/OpenMontage

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

Pushed 6 days ago.GNU Affero General Public License v3.0PythonApps75.7k+3.4k
DeusData organisation mark

codebase-memory-mcp

DeusData/codebase-memory-mcp

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, zero dependencies.

Pushed yesterday.MIT LicenseCPlugins48.0k+436
zhayujie organisation mark

CowAgent

zhayujie/CowAgent

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

Pushed yesterday.MIT LicensePythonAgents47.8k+148
siyuan-note organisation mark

siyuan

siyuan-note/siyuan

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间,让人与智能体在此协作

Pushed yesterday.GNU Affero General Public License v3.0TypeScriptApps47.1k+89
HKUDS organisation mark

LightRAG

HKUDS/LightRAG

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

Pushed 6 days ago.MIT LicensePythonApps40.5k+146
chatchat-space organisation mark

Langchain-Chatchat

chatchat-space/Langchain-ChatchatSlowing

Langchain-Chatchat(原Langchain-ChatGLM)基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain

Last push 12 months ago.Apache License 2.0PythonApps38.7k+4
virgiliojr94 organisation mark

book-to-skill

virgiliojr94/book-to-skill

Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

Pushed 7 days ago.MIT LicensePythonSkills36.8k+594
Tencent organisation mark

WeKnora

Tencent/WeKnora

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

Pushed yesterday.OtherGoPlugins36.4k+740
topoteretes organisation mark

cognee

topoteretes/cognee

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.

Pushed yesterday.Apache License 2.0PythonDeveloper tools33.0k+222
tirth8205 organisation mark

code-review-graph

tirth8205/code-review-graph

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.

Pushed 6 days ago.MIT LicensePythonDeveloper tools32.6k+156
labring organisation mark

FastGPT

labring/FastGPT

FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.

Pushed yesterday.OtherTypeScriptApps30.0k+65
titanwings organisation mark

distilly

titanwings/distilly

Distilly — Distill how they think into reusable Skills for any Agent or Bot. Formerly Colleague Skill(原同事 Skill).

Pushed 22 days ago.MIT LicenseTypeScriptPlugins26.3k+239
1Panel-dev organisation mark

MaxKB

1Panel-dev/MaxKB

🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。

Pushed yesterday.GNU General Public License v3.0PythonPlugins23.1k+56
AgriciDaniel organisation mark

claude-obsidian

AgriciDaniel/claude-obsidian

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 knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

Pushed 9 days ago.MIT LicensePythonPlugins16.1k+240
semantica-agi organisation mark

semantica

semantica-agi/semantica

Graph-Native Infrastructure for Context and Accountable AI Systems

Pushed yesterday.MIT LicensePythonApps14.4k+143
trailhq organisation mark

Graft

trailhq/Graft

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

Pushed yesterday.MIT LicenseTypeScriptPlugins11.1k+245
windingwind organisation mark

zotero-better-notes

windingwind/zotero-better-notes

Everything about note management. All in Zotero.

Pushed 2 months ago.GNU Affero General Public License v3.0TypeScriptPlugins8.4k+26
potpie-ai organisation mark

potpie

potpie-ai/potpie

Context Graph for AI Native SDLC

Pushed 5 days ago.Apache License 2.0PythonApps5.8k+16
vitali87 organisation mark

code-graph-rag

vitali87/code-graph-rag

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Pushed yesterday.MIT LicensePythonPlugins5.3k+23
eugeniughelbur organisation mark

obsidian-second-brain

eugeniughelbur/obsidian-second-brain

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.

Pushed 3 days ago.MIT LicensePythonPlugins5.1k+167
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