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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

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1,000 tools · sorted by quality

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DeepAudit

DeepAudit:人人拥有的 AI 黑客战队,让漏洞挖掘触手可及。国内首个开源的代码漏洞挖掘多智能体系统。小白一键部署运行,自主协作审计 + 自动化沙箱 P...

Score 99 GitHub stars 6,856 Open source
plain-app

🔥 PlainApp is an open-source app that lets you securely manage your phone from a web browser. Access files, media, contacts, SMS, calls, an...

Score 99 GitHub stars 6,741 Open source
TaxHacker

Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories

Score 99 GitHub stars 6,714 Open source
genkit

Open-source framework for building agentic apps in JavaScript, Go, Dart, and Python, built and used in production by Google

Score 99 GitHub stars 6,456 Open source
aim

Aim 💫 — An easy-to-use & supercharged open-source experiment tracker.

Score 99 GitHub stars 6,259 Open source
whichllm

Find the local LLM that actually runs and performs best on your hardware. Ranked by real, recency-aware benchmarks, not parameter count. One...

Score 99 GitHub stars 6,254 Open source
mission-control

Self-hosted control plane for AI agents: dispatch tasks, review runs, track spend, and operate OpenClaw, Claude Code, Codex, and other runti...

Score 99 GitHub stars 6,256 Open source
helicone

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Score 99 GitHub stars 6,175 Open source
passbolt_api

Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!

Score 99 GitHub stars 6,129 Open source
LobsterAI

Open-source, desktop-grade AI agent that gets real work done — data analysis, slides, docs, video & web research. Built on OpenClaw; runs to...

Score 99 GitHub stars 6,060 Open source
OpenCursor

Open-source Cursor-like AI coding agent for VS Code — agentic chat, multi-provider LLMs (OpenAI, Ollama, llama.cpp), semantic search, and MC...

Score 99 GitHub stars 6,015 Open source
openpencil

The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts int...

Score 99 GitHub stars 6,017 Open source
open-connector

Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.

Score 99 GitHub stars 5,887 Open source
emdash

Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.

Score 99 GitHub stars 5,822 Open source
open-agents

An open source template for building cloud agents.

Score 99 GitHub stars 5,786 Open source
giskard-oss

🐢 Open-Source Evaluation & Testing library for LLM Agents

Score 99 GitHub stars 5,742 Open source
awesome-hermes-agent

Independent directory of useful skills, plugins, memory providers, tools, surfaces, and guides for Nous Research's open-source Hermes Agent.

Score 99 GitHub stars 5,730 Open source
maka

Apache Maka (Incubating) is a high-performance agent workspace that keeps a complete record of everything it did.

Score 99 GitHub stars 5,648 Open source
openmed

Local-first healthcare AI: clinical NER & HIPAA PII de-identification that runs 100% on-device. 2,200+ medical models, 21 languages, Apple M...

Score 99 GitHub stars 5,369 Open source
SmartSub

视频转字幕、字幕翻译、AI 配音与声音克隆、字幕烧录——免费开源的一站式桌面工具。基于 Whisper / FunASR 等本地模型离线语音转文字,批量处理 + 全平...

Score 99 GitHub stars 5,319 Open source
vibesdk

An open-source vibe coding platform that helps you build your own vibe-coding platform, built entirely on Cloudflare stack

Score 99 GitHub stars 5,325 Open source
OpenBot

Open-source AI coworkers that each get a computer of their own: a browser, files and tools, with every action decided before it happens and...

Score 99 GitHub stars 5,293 Open source
axonhub

⚡️ Open-source AI Gateway — Use any SDK to call 100+ LLMs. Built-in failover, load balancing, cost control & end-to-end tracing.

Score 99 GitHub stars 5,290 Open source
Olares

Open-Source Personal Cloud OS for Always-On Agents

Score 99 GitHub stars 5,281 Open source
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