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Best Open Source AI Tools

Open-source AI gives you portable models, local runtimes, and auditable stacks. Explore high-signal projects here, then compare licenses and heat on the dedicated page.

Open compare table Related: Best Coding Agent Tools · Best LLM Chat Tools · Best RAG Tools · Best AI Image Generation Tools

Top tools

1,009 tools · sorted by quality

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excel-parser

XLSX parser for LLMs, RAG, LangChain, LangGraph, CrewAI, Claude, MCP — turns Excel (.xlsx) into citation-ready JSON with formulas, charts, d...

Score 89 GitHub stars 72 Open source
CarrotMangaTranslator

Open-source desktop OCR, AI translation, editing and inpainting tool for user-provided manga and comic images.

Score 89 GitHub stars 72 Open source
Baize

白泽 —— 中国古代神话中通晓万物的瑞兽,如今化身为 Vibe Coding 助手。 一个开源的 AI Coding Agent CLI,支持多后端(DeepSeek / OpenAI 兼容 / Ol...

Score 89 GitHub stars 72 Open source
recensa

Self-hosted web viewer for Claude Code session transcripts — read, search, replay, and audit every session you have ever run

Score 89 GitHub stars 72 Open source
chatgpt-timestamp-extension

Free, open-source Chrome and Firefox extension to show local dates and times on ChatGPT messages. Choose 12/24-hour time and user-only times...

Score 89 GitHub stars 72 Open source
aster

An open-source agent harness for software work.

Score 89 GitHub stars 71 Open source
arkiv

Local-first media asset manager with AI semantic search — reads pro-camera metadata (Sony XAVC sidecar, FX-series) and 360 footage (Insta360...

Score 89 GitHub stars 71 Open source
mnemo

Mnemo is a free, open-source study application built with Avalonia UI and .NET 10, designed to help students, researchers, and lifelong lear...

Score 89 GitHub stars 71 Open source
memcord

🧠 Self-hosted, privacy-first MCP server for long-term AI memory — save, search & summarize Claude/ChatGPT chat history locally. No cloud, n...

Score 89 GitHub stars 71 Open source
front-porch-AI

Local-first AI character chat & roleplay for Windows/macOS/Linux — a living Realism Engine, built-in TTS & image generation, and The Stoop c...

Score 89 GitHub stars 71 Open source
jev-social

Open-source Agent Skill and local demo: Jev × socai for Instagram, TikTok, and LinkedIn research—typed routing, real browser evidence, strea...

Score 89 GitHub stars 70 Open source
agent-fleet-o

Open-source AI agent orchestration platform — self-hosted mission control for autonomous multi-agent systems. Visual DAG workflows, 670+ MCP...

Score 89 GitHub stars 70 Open source
pesty

Free, open-source clipboard manager for macOS a native Paste app alternative with color-coded history, pinboards, search & keyboard paste....

Score 89 GitHub stars 70 Open source
remotepower

Feature-rich all-in-one self-hosted server & server fleet management (Web UI): patching, monitoring (agent + agentless/SNMP), CVE scanning,...

Score 89 GitHub stars 70 Open source
hal0

Open-source self-hosted home AI inference platform for AMD Strix Halo — multi-backend slots, OpenAI-compatible gateway, Vue 3 + FastAPI + sy...

Score 89 GitHub stars 70 Open source
apogee

A private AI summarizer in your browser for articles, videos, emails, and more. It runs on your device with WebGPU (Chrome), Transformers.js...

Score 89 GitHub stars 69 Open source
axocoatl

Agentic runtime in Rust — persistent, supervised agents. Self-hosted, local-first, zero telemetry. Apache 2.0.

Score 89 GitHub stars 69 Open source
preloop

The open-source AI agent control plane: MCP firewall, model gateway with budgets, human approvals, runtime observability, and audit trails

Score 89 GitHub stars 68 Open source
Kiln

Describe it or draw it — Kiln makes it real. The open-source MCP server for 3D printing: AI agents (Claude, Codex, Cursor, or any MCP client...

Score 89 GitHub stars 68 Open source
cache-commander

Cache Commander — a TUI and MCP server to explore, audit, and clean developer cache directories. Scan for CVEs, find outdated packages, recl...

Score 89 GitHub stars 68 Open source
agent-native-agent

Self-hosted apps you operate by watching a dashboard and talking to a coding agent that IS the runtime — it proposes, applies, and evolves t...

Score 89 GitHub stars 67 Open source
agent-identity-management

The IAM layer for AI agents: cryptographic identity, capability authorization, and audit trails for non-human identities. Open source.

Score 89 GitHub stars 67 Open source
plumoai

World's First Autonomous Open-source Pretrained AI Employees Platform

Score 89 GitHub stars 67 Open source
Mac-MLX

macMLX brings local LLM inference to Apple Silicon with a first-class native macOS experience. No cloud, no telemetry, no Electron — just yo...

Score 89 GitHub stars 67 Open source
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