# cmux [Agentic development environments](https://www.agentlist.io/categories/agentic-development-environments)[Manaflow](https://www.agentlist.io/ai/manaflow) cmux is a native terminal workspace with agent notifications, split panes, and programmable session controls. [Visit cmux](https://cmux.com/)[See the Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments#pick-cmux) - Native macOS terminal - Built on Ghostty - Free (GPL) - Y Combinator-backed ## At a glance 28,762 GitHub starsVerifiedAs of Nov 11, 2026[GitHub repository](https://github.com/manaflow-ai/cmux) - [No. 8 of 10 on the Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments#pick-cmux) [How we rank](https://www.agentlist.io/methodology) Evidence notes - Evidence level: Verified, primary. - Stars are the measure. The macOS app is GPL; some server code is source-available. - Up from about 25,600 on Aug 4 (Wayback Machine snapshot), the slowest growth of the open-source group. ## Key facts As of Nov 11, 2026 **Who it's for**: Developers supervising terminal agents from a native workspace. **What is it built on?**: A free native macOS terminal in Swift and AppKit that uses libghostty for rendering. It has vertical tabs, notification rings when an agent needs you, split panes, a scriptable in-app browser and a CLI and socket API. **Where do the agents run?**: On your Mac. You can open workspaces over SSH and attach to remote tmux sessions. cmux Pro adds Cloud VMs and an iOS companion in early access. **Can you run several agents at once?**: Yes. It restores panes and agent sessions, and turns subagents into visible panes. Its page does not describe worktree handling, so you manage branches yourself. **Which models and agents can it use?**: Any agent that runs in a terminal, including Claude Code, Codex, OpenCode, Gemini CLI, Kiro, Aider, Goose, Amp, Cline and Cursor Agent. **What do the plans cost?**: The terminal is free. Pro is $50 a month, Max $200 a month and Team $60 per user a month, for cloud capacity and early access. **How does billing work?**: Free terminal; paid plans add cloud capacity. You use your own agent subscriptions. **How many people use it?**: 28,762 GitHub stars on Nov 11, 2026, up from about 25,600 on Aug 4. The site quotes users including Peter Steinberger and Nick Schrock. **How big is the company?**: Built by Manaflow, Inc., which also launched on Y Combinator and Hacker News in early 2026. The macOS app is GPL-3.0-or-later; some server directories are under the Business Source License. Sources - [↗ cmux.com](https://cmux.com/) - [↗ cmux.com/pricing](https://cmux.com/pricing) - [↗ github.com/manaflow-ai/cmux](https://github.com/manaflow-ai/cmux) - [↗ news.ycombinator.com/item?id=47079718](https://news.ycombinator.com/item?id=47079718) ## Common questions What is cmux? cmux is a native terminal workspace with agent notifications, split panes, and programmable session controls. Who is cmux for? Developers supervising terminal agents from a native workspace. How much does cmux cost? The terminal is free. Pro is $50 a month, Max $200 a month and Team $60 per user a month, for cloud capacity and early access. Checked against the vendor's pages on Nov 11, 2026. Plans change often, so confirm before you decide. Does cmux run locally or in the cloud? cmux runs on your machine. You use it through a terminal and an editor. What are alternatives to cmux? Other agent workspaces in the directory: T3 Code, Orca, Paradev (formerly Superset), Conductor, Emdash Classic, Nimbalyst, Schaltwerk, Vibe Kanban. Different categories solve the same problem differently, so see the Agent workspaces category page for tradeoffs. ## Compare cmux - [Also consider T3 Code](https://www.agentlist.io/systems/t3-code) - [Also consider Orca](https://www.agentlist.io/systems/orca) - [Also consider Paradev (formerly Superset)](https://www.agentlist.io/systems/superset) [See the full Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments)Show all 8 alternatives - [T3 Code](https://www.agentlist.io/systems/t3-code) · T3 Tools - [Orca](https://www.agentlist.io/systems/orca) · Stably AI - [Paradev (formerly Superset)](https://www.agentlist.io/systems/superset) · Paradev - [Conductor](https://www.agentlist.io/systems/conductor) · Conductor - [Emdash Classic](https://www.agentlist.io/systems/emdash) · General Action - [Nimbalyst](https://www.agentlist.io/systems/nimbalyst) · Nimbalyst - [Schaltwerk](https://www.agentlist.io/systems/schaltwerk) · 2mawi2 - [Vibe Kanban](https://www.agentlist.io/systems/vibe-kanban) · Bloop ## Details **Vendor**: [Manaflow](https://www.agentlist.io/ai/manaflow) **Category**: [Agentic development environments](https://www.agentlist.io/categories/agentic-development-environments) **Last checked**: [Nov 11, 2026](https://www.agentlist.io/changelog) Technical details **Used through**: A terminal and an editor **Runs**: On your machine Official links - [↗ cmux.com/](https://cmux.com/) - [↗ github.com/manaflow-ai/cmux](https://github.com/manaflow-ai/cmux) Pricing and status are approximate as of the last-checked date. --- Source: [cmux: pricing & alternatives | agentlist.io](https://www.agentlist.io/systems/cmux). 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