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Open Source AI Coding Agent Orchestrators using JavaScript

A curated collection of the best open source tools that run and coordinate multiple AI coding agents in parallel across isolated git worktrees, also known as agent harnesses or agentic dev environments. using JavaScript.

It's a Plan

Issue tracker where people and AI agents share one board

  • Stars

    Stars growing quickly over the last 30 days2,139

  • Last commit

    18 hours ago

  • License

    AGPL-3.0
Self-hosted issue tracker with boards, timelines, initiatives and dashboards, where AI agents take assigned issues like teammates. AGPL-3.0, no per-seat fees.

Open Source Alternative to:

Jira

Paperclip

AI
Org chart, budgets, and governance for AI agent teams

  • Stars

    Stars growing quickly over the last 30 days110,289

  • Last commit

    8 hours ago

  • License

    MIT
Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.

Open Source Alternative to:

Claude Managed Agents

Orca

AI
Run multiple AI coding agents in parallel, side by side

  • Stars

    Stars growing quickly over the last 30 days113,484

  • Last commit

    8 hours ago

  • License

    MIT
Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.

Open Source Alternative to:

Codex

T3 Code

AI
AI-powered coding made simple and efficient

  • Stars

    Stars growing quickly over the last 30 days41,334

  • Last commit

    8 hours ago

  • License

    MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Open Source Alternative to:

Claude Code

Happy

AI
Desktop and phone app for your Claude, Codex and Grok sessions

  • Stars

    24,458

  • Last commit

    8 hours ago

  • License

    MIT
Orchestrates Claude Code, Codex, and Grok through a single desktop and mobile app, reusing the AI subscriptions you already pay for.

Open Source Alternative to:

Conductor

Paseo

AI
Run coding agents from your phone, desktop, or terminal

  • Stars

    Stars growing quickly over the last 30 days22,824

  • Last commit

    9 hours ago

  • License

    Apache-2.0
Self-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.

Open Source Alternative to:

Claude Code

Superset

AI
Run dozens of AI coding agents in parallel on your machine

  • Stars

    Stars growing over the last 30 days15,846

  • Last commit

    8 hours ago

  • License

    Elastic-2.0
macOS app that orchestrates multiple AI coding agents simultaneously, each in its own isolated Git worktree, so you can work on many tasks at once.

Open Source Alternative to:

Codex

Omnigent

AI
Common layer for composing and governing AI agents

  • Stars

    Stars growing over the last 30 days11,175

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.

Open Source Alternative to:

Claude Managed Agents

Emdash

AI
Dashboard for running multiple coding agents in parallel

  • Stars

    Stars growing over the last 30 days6,154

  • Last commit

    19 hours ago

  • License

    Apache-2.0
Desktop app that runs 25+ coding agents simultaneously, each isolated in its own Git worktree, so you can orchestrate code changes without switching tools.

Open Source Alternative to:

Codex

Synara

AI
Code with Claude, Codex, Gemini, and more in one workspace

  • Stars

    Stars growing over the last 30 days2,162

  • Last commit

    9 hours ago

  • License

    MIT
Desktop coding workspace that connects to AI subscriptions you already have, with parallel agents, worktrees, one-click PRs, and multi-project management.

Open Source Alternative to:

Claude Code

Jean

AI
Parallel AI agent workspaces with Git and project context

  • Stars

    Stars growing over the last 30 days1,387

  • Last commit

    15 hours ago

  • License

    Apache-2.0
Run multiple AI coding agents in isolated Git worktrees, with cross-repo context, GitHub/Linear integrations, and support for Claude, Codex, Cursor, and more.

Open Source Alternative to:

Claude Code

Dray

AI
Run Claude Code, Codex, Grok, and more from one app

  • Stars

    Stars growing quickly over the last 30 days122

  • Last commit

    10 hours ago

  • License

    Apache-2.0
A Mac app that brings multiple AI coding agents into a single window, running on your existing subscriptions with parallel agent sessions, PR management, and a built-in browser.

Open Source Alternative to:

Claude Code
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