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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

1,001 tools · sorted by quality

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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
bansos

bansos.dev — Promo developer Indonesia: domain gratis, AI credits, cloud credits, hosting free-tier, API credits, database credits, startup...

Score 89 GitHub stars 67 Open source
wandesk

Wandesk — an open-source AI desktop. One shell, one AI kernel, one workerd; every app is a Worker site the built-in agent can write for you.

Score 89 GitHub stars 67 Open source
opendray

Self-hosted gateway for Claude Code, Codex, Antigravity, Grok Build, OpenCode. Run AI coding agents on your own infra with a shared local-fi...

Score 89 GitHub stars 66 Open source
harmony

The Harmony Python library: a research tool for psychologists to harmonise data and questionnaire items. Open source.

Score 89 GitHub stars 66 Open source
builder

📦✨ AI Builder For Creating Sites and Apps! An open-source alternative to Lovable, Replit, v0, and similar platforms.

Score 89 GitHub stars 66 Open source
lelu

Open source authorization engine for AI agents. Confidence-aware gating · Human-in-the-loop review · Policy-as-code · Full audit trail

Score 89 GitHub stars 66 Open source
mcp-zap-server

Give AI agents a safe, self-hosted OWASP ZAP operator for guided web security scans, findings, reports, and production guardrails.

Score 89 GitHub stars 65 Open source
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