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The best open-source AI agents in 2026
Want to run agents on your own infrastructure or read the code? These 8 listed agents are open source: Aider, Cline, OpenHands, Browser Use, n8n, CrewAI, LangGraph, Steel.
Coding
Aider
Open-source terminal coding agent that edits your git repo with any LLM.
CodingOpen sourceCline
Open-source autonomous coding agent for VS Code.
CodingOpen sourceOpenHands
Open-source platform for AI software development agents.
CodingOpen sourceBrowser Automation
Browser Use
Open-source library that lets AI agents control a web browser.
Browser AutomationOpen sourceSteel
Open-source browser API for AI agents: cloud browser sessions with CAPTCHA solving, proxies, persistent logins and a live session viewer; self-hostable.
Browser AutomationOpen sourceAgent Builders
n8n
Workflow automation platform with AI agent nodes; self-hostable.
Agent BuildersOpen sourceCrewAI
Framework and platform for orchestrating multi-agent crews.
Agent BuildersOpen sourceLangGraph
Framework for building stateful, controllable agents.
Agent BuildersOpen sourceLooking for hosted tools with a free plan instead? See all free AI agents.
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