Best open-source AI agents (2026)
Open-source agents you can run yourself, inspect and extend, from coding agents to personal assistants. We list 48 tools for open-source agents below, each with a link-checked page, pricing as the maker states it and alternatives.
Updated
48 tools: 47 open source, 1 source-available.
Growth Lab
An open-source growth agent that learns your product, gathers data, researches the market, runs growth experiments and learns from the results to pick the next move.
Added
Zero
An open-source terminal coding agent written in Go that works with 30+ model providers, supports MCP, skills and subagents, and keeps all sessions on your own disk.
Added
thClaws
An open-source AI agent workspace in native Rust that runs locally as a GUI, CLI, headless service or web app from a single binary, with multiple model providers.
Added
Dodaios
Open-source desktop agent OS for Windows, macOS and Linux (formerly Personal Jarvis): talk to it and it runs your coding CLIs side by side, your browser and your apps, with offline Whisper speech, a local wiki memory and support for Ollama, Claude or ChatGPT subscriptions.
Added
ByteChef
Open-source platform for AI agents and workflow automation with hundreds of connectors that you can self-host or embed in a SaaS product.
Added
Scout (Outcrawl)
Open-source browser agent from Outcrawl that opens a real browser and clicks, types and reads pages to finish a task you describe.
Added
Pi
Minimal, extensible open-source terminal coding agent and agent toolkit from Earendil, with a multi-provider LLM API, TypeScript SDK, RPC mode and installable extensions, skills and themes.
Added
LobeHub
Open-source agent workspace that organizes a team of AI agents for round-the-clock work, with scheduling, reporting and self-hosting or a cloud version.
Added
AstrBot
Open-source agent chatbot platform and framework that connects LLMs, plugins and tools to mainstream messaging apps for assistants, support bots and knowledge bases.
Added
Kilo Code
Open-source AI coding agent for VS Code, JetBrains, the CLI and the cloud that works with 500+ models at no markup.
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FrontierAgent
Open-source agent runtime and terminal app for long-horizon research and file work, with single-agent ReAct and parallel agent-team modes.
Added
Easel
Open-source social media agent workspace that discovers trends, creates and publishes content and learns what performs across Chinese platforms.
Added
II-Agent
Open-source AI agent for real work from Intelligent Internet that you can run, fork and extend with your own API keys.
Added
mobile-use
Open-source AI agent that controls real Android and iOS apps from natural-language commands.
Added
Cheshire Cat
Open-source AI agent microservice designed to be easy to understand and extend, with plugins and memory.
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Pinvou Agent
Open-source desktop AI agent workspace for work, design and coding tasks that end in finished deliverables.
Added
Stakpak
Open-source DevOps agent that runs on your machines 24/7 to deploy and keep your apps running, pinging a human only when needed.
Added
Hercules
Open-source testing agent that turns plain Gherkin steps into end-to-end UI, API, accessibility and security tests.
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Giselle
Open-source AI agent studio for building agentic workflows with a visual builder.
Added
DeepSeek Harness
DeepSeek's open-source agent harness with a local web UI, built so that every tool, model and scheduled task is a swappable plugin; still a developer preview.
Added
MindsHub
MindsDB's agent workspace for research, analysis, documents and coding, with a model router, a scoped vault for connected data and swappable open-source agent harnesses.
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Bubbaloop
Kornia's open-source single-binary agent runtime with an MCP server that orchestrates cameras, sensors and robots on Jetson, Raspberry Pi or Linux through chat.
Added
Hermes Agent (Nous Research)
Open-source agent harness; v0.21.7 stable shipped Oct 12, v0.22.0 RCs Oct 13-14.
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OpenClaw
Open-source personal agent you run yourself and reach over chat apps.
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opencode
Open-source terminal coding agent that works with many model providers.
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OpenAI Codex CLI
OpenAI's open-source coding agent for the terminal; also runs in the cloud.
Added
Gemini CLI
Google's open-source terminal agent powered by Gemini.
Added
Deer Flow
ByteDance's open-source long-horizon agent harness that researches, codes and creates using sandboxes, memory and sub-agents.
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Career Ops
Open-source job search agent that scans job boards and scores each posting against your CV before you apply.
Added
Ruflo
Open-source multi-agent meta-harness for Claude Code, Codex, and MCP clients; Oct 13 release adds Mods (mission workflows) and a single control plane with human approval.
Added
Strix
Open-source AI agents that run penetration tests on your app to find and help fix security vulnerabilities.
Added
Goose
Extensible open-source AI agent that installs, runs, edits and tests code on your machine with any LLM and MCP extensions.
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CowAgent
Open-source personal assistant and agent harness that plans tasks, runs tools and skills and connects to chat apps.
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OpenHuman
Lightweight open-source agent harness designed to run many agents cheaply on small servers.
Added
UI-TARS-desktop
ByteDance's open-source multimodal agent stack, including a desktop app and Agent TARS for controlling computers and browsers.
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Vibe-Trading
Open-source personal trading agent for researching markets and testing strategies in natural language.
Added
Qwen Code
Open-source terminal coding agent from the Qwen team.
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Roo Code
Discontinued: the open-source VS Code agent with custom modes (architect, code, debug) was shut down on May 15, 2026 and its repo archived; the team now builds Roomote, and roocode.com redirects there. Cline and the community fork ZooCode are the suggested alternatives.
Added
DB-GPT
Open-source agentic data assistant for querying and analyzing data with LLMs.
Added
OpenFang
Open-source agent operating system for running autonomous agents.
Added
Leon
Open-source personal assistant that runs on your own server.
Added
Nanobrowser
Open-source Chrome extension agent that automates web tasks in your own browser.
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Feynman
Open-source research agent that searches, reads papers and writes cited reports.
Added
TrueForge
Open-source agent harness runtime that turns an LLM into a working agent.
Added
Grok CLI
Open-source coding agent for the Grok API.
Added
ElizaOS
Open-source TypeScript agent operating system with wallet and on-chain plugins, maintained by Eliza Research.
Added
NanoMuse
Open-source AI agent for your phone and computer (Show HN, Oct 7).
Added
Solana Agent Kit
SendAI's open-source kit letting agents trade, launch tokens and use Solana protocols.
Added
GitHub repos (45)
| Repo | GitHub stars | Licence | Last push |
|---|---|---|---|
| OpenClaw ↗ | 391,938 | MIT | 2026-10-21 |
| Hermes Agent (Nous Research) ↗ | 253,590 | MIT | 2026-10-21 |
| DeepSeek Harness ↗ | 251,853 | MIT | 2026-10-17 |
| opencode ↗ | 213,329 | MIT | 2026-10-21 |
| OpenAI Codex CLI ↗ | 129,112 | Apache License 2.0 | 2026-10-21 |
| Pi ↗ | 116,073 | MIT | 2026-10-21 |
| Gemini CLI ↗ | 107,334 | Apache License 2.0 | 2026-10-21 |
| Deer Flow ↗ | 83,959 | MIT | 2026-10-21 |
| LobeHub ↗ | 83,300 | — | 2026-10-21 |
| Career Ops ↗ | 75,234 | MIT | 2026-10-21 |
| Ruflo ↗ | 74,609 | MIT | 2026-10-21 |
| Strix ↗ | 69,022 | Apache License 2.0 | 2026-10-21 |
| Goose ↗ | 55,347 | Apache License 2.0 | 2026-10-21 |
| CowAgent ↗ | 47,434 | MIT | 2026-10-21 |
| OpenHuman ↗ | 42,113 | GNU GPL v3.0 | 2026-10-21 |
Top 15 of 45 by stars. Stars and licence come from each repo, checked when the listing was last verified.
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