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Jean

AI agent dev environment with parallel git worktrees, magic git commands, and Linear integration.

Jean is an open-source desktop dev environment for AI agents from coolLabs (the team behind Coolify). It runs multiple coding agents — Claude Code, Codex, and others — in parallel inside isolated git worktrees, each with its own chat session and terminal. Magic git commands handle commits, PR descriptions, code reviews, and merge conflicts with AI assistance, while built-in Linear and GitHub integrations load issue context into every session.

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About Jean

Jean is a desktop dev environment built around the idea that AI-assisted development needs more than a chat panel inside an editor — it needs workspace isolation, parallelism, and tight git workflows. The app, from coolLabs (the team behind Coolify), wraps the CLI tools developers already authenticate with — Claude Code, Codex, and others — and runs each agent inside its own automatically-managed git worktree. Sessions, terminals, and chat windows sit side-by-side in one UI, so one agent can fix a bug on a feature branch while another reviews a PR on a separate worktree without changes colliding. The project is Apache 2.0, free forever, with a tested macOS build and Windows/Linux testers wanted.

What sets Jean apart is its opinionated set of git workflows. Magic Git Commands generate AI commit messages, PR descriptions, and release notes; track findings during code review; and resolve merge conflicts with AI — all driven by per-workflow Magic Prompts where the developer picks model and reasoning level (light model for commits, heavier for reviews). The Opinionated pane bundles two token-reduction plugins: RTK proxies CLI tool output to cut 60–90% of tool-output tokens, and Caveman trims Claude responses by ~65–75%. Multi-project and Linked Projects support means related repos auto-inject their CLAUDE.md, AGENTS.md, and docs/ into every session — cross-repo context without copy-paste. Linear is first-class for issue investigation and per-project API keys.

Jean fits the parallel-agent orchestration niche alongside Emdash, Conductor, Sculptor, and Superset. Where some lean terminal-multiplex or pure web UI, Jean sits in the desktop sweet spot: it carries the auth and capabilities of the underlying CLI tools while wrapping them in a UI that makes worktree management and PR workflows visual. Mobile access via localhost, Cloudflare Tunnel, or Tailscale lets developers monitor agents from a phone. coolLabs sustains development through GitHub Sponsors, Open Collective, and managed cloud services — no enterprise tier, no paywalls. For developers juggling multiple AI coding CLIs who want a unified cockpit instead of tmux panes and shell scripts, Jean is a credible open-source option.

Pricing & Platform Specs

Pricing Summary

100% free and open source under the open-source license ($0 software cost). Jean is a local-first desktop AI development environment for managing and running AI coding agents in parallel across isolated Git worktrees with zero software licensing fees.

Supported Platforms

Desktop application. Tested on macOS; Windows and Linux builds available with testers wanted. Mobile access via localhost, Cloudflare Tunnel, or Tailscale.

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Side-by-Side Comparisons

Jean logo
Jean
vs
Conductor.build logo
Conductor.build

Jean vs Conductor.build — Open-Source Multi-CLI Desktop vs Subscription-Tied Team Dashboard

Jean and Conductor.build both let you run multiple AI coding agents across git worktrees without drowning in terminal tabs, but the trade-offs split sharply. Jean is Apache 2.0 open-source from the Coolify team, auto-detects every coding CLI you have installed, and runs entirely on your machine. Conductor.build is a free closed-source macOS app that wraps your existing Claude or Codex subscription with a team-monitoring dashboard. The right choice depends on whether multi-CLI flexibility and open-source trust matter more than subscription-aware team visibility.

JeanConductor.build

Community experience

Sources & verification

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Content verified

Verification dates are editorial checks. Routine CMS saves and automatic updatedAt timestamps do not advance them.

FAQ

What is Jean?

Jean is an open-source desktop dev environment for AI agents from coolLabs (the team behind Coolify). It runs multiple coding agents — Claude Code, Codex, and others — in parallel inside isolated git worktrees, each with its own chat session and terminal. Magic git commands handle commits, PR descriptions, code reviews, and merge conflicts with AI assistance, while built-in Linear and GitHub integrations load issue context into every session.

Is Jean free?

Yes — Jean is open source and free to use. 100% free and open source under the open-source license ($0 software cost). Jean is a local-first desktop AI development environment for managing and running AI coding agents in parallel across isolated Git worktrees with zero software licensing fees.

Is Jean open source?

Yes — Jean is open source.

Is Jean still maintained?

Yes — Jean is active. Its listing was last verified on August 26, 2026.

What are the best Jean alternatives?

The first editor-selected Jean alternatives are Emdash, Conductor.build, Parallel Code, and more.

How does Jean score in our review?

The published editorial review lists Jean at 86/100 overall across speed, privacy, and developer experience. Check the review's evidence status and test metadata for its verification level.