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Open Source AI Coding Agents using JavaScript

A curated collection of the best open source tools that take a task or issue and carry it to completion on their own: planning, editing files, running tests, and opening pull requests. using JavaScript.

OpenCode

AI
AI coding agent for terminal, IDE, and desktop

  • Stars

    Stars growing over the last 30 days224,079

  • Last commit

    9 hours ago

  • License

    MIT
Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.

Open Source Alternative to:

Claude Code

Codex CLI

AI
AI coding agent that works inside your terminal

  • Stars

    132,876

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.

Open Source Alternative to:

Claude Code

pi

AI
Minimal terminal coding agent you can fully customize

  • Stars

    Stars growing over the last 30 days119,586

  • Last commit

    8 hours ago

  • License

    MIT
Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.

Open Source Alternative to:

Claude Code

OpenHands

AI
Autonomous coding agents that complete real engineering tasks

  • Stars

    92,510

  • Last commit

    8 hours ago

  • License

    MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.

Open Source Alternative to:

Claude Code

Cline

AI
Open-source AI coding agent for your editor and terminal

  • Stars

    71,221

  • Last commit

    8 hours ago

  • License

    Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.

Open Source Alternative to:

Claude Code

Open Interpreter

AI
Coding agent that runs on local and open-weight models

  • Stars

    68,780

  • Last commit

    2 days ago

  • License

    Apache-2.0
Coding agent that lets LLMs write and execute code, manage files, and control your computer using local or low-cost models.

Open Source Alternative to:

Claude Code

Goose

AI
General-purpose AI agent for code, workflows, and more

  • Stars

    56,142

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.

Open Source Alternative to:

Claude Code

Continue

AI
Open-source coding agent for your IDE and terminal

  • Stars

    36,400

  • Last commit

    15 hours ago

  • License

    Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.

Open Source Alternative to:

CodeRabbit

Grok Build

AI
AI coding agent and CLI for complex terminal workflows

  • Stars

    27,659

  • Last commit

    1 month ago

  • License

    Apache-2.0
Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.

Open Source Alternative to:

Claude Code

Kilo

AI
AI coding agent for VS Code, JetBrains, CLI, and Cloud

  • Stars

    27,834

  • Last commit

    8 hours ago

  • License

    MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.

Open Source Alternative to:

Claude Code

Qwen Code

AI
Open source AI coding agent for the terminal and IDE

  • Stars

    28,894

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Terminal-based AI coding agent that reads your codebase, edits files and runs commands, with support for Qwen, OpenAI, Anthropic, Gemini and local models.

Open Source Alternative to:

Claude Code

SWE-agent

AI
AI agents that autonomously fix code and resolve GitHub issues

  • Stars

    20,712

  • Last commit

    7 days ago

  • License

    MIT
State-of-the-art AI agent that uses language models like GPT-4o to autonomously solve GitHub issues, fix bugs, and implement features with configurable YAML setup.

Open Source Alternative to:

Devin

Zero

AI
Terminal coding agent with full model and data control

  • Stars

    Stars growing over the last 30 days1,776

  • Last commit

    17 hours ago

  • License

    MIT
Open-source AI coding agent for the terminal that works with 25+ model providers, keeps sessions on your disk, and ships as a single Go binary with no telemetry.

Open Source Alternative to:

Claude Code

Frontman

AI
AI coding agent that sees your live app and edits code

  • Stars

    721

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Open Source Alternative to:

Lovable

Roomote

AI
Self-hosted AI coding agent that opens real PRs

  • Stars

    Stars growing quickly over the last 30 days324

  • Last commit

    11 hours ago

  • License

    FCL-1.0
Source-available, self-hosted AI coding agent that connects to your repo, tools, and chat to investigate issues and open reviewable PRs on your own infrastructure.

Open Source Alternative to:

Codex
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