Mux (Xum) Mux (Xum)
Mux (also referred to as Xum) is a desktop and browser-based application designed for parallel, agentic development. It allows developers to run multiple AI coding agents simultaneously in isolated workspaces, supporting both local and remote execution.
Recent releases introduced Grok 4.6 as a default model, redesigned workspace UI, durable per-workspace timelines, improved nested workflow support, and enhanced reasoning controls for GPT-5.6 models.
As of
- Isolated workspaces with git divergence monitoring
- Multi-model support including GPT-5.6, Claude Opus 5, Grok 4.1, and DeepSeek V4
- Parallel agent execution for testing and prototyping
- VS Code extension integration
- Local and remote (SSH) runtime environments
Developers who need to run complex, long-running, or multi-agent tasks in parallel without being constrained by the limits of a traditional IDE.
Developers who strictly require a single, IDE-bound agent workflow or those seeking a managed, non-self-hosted SaaS solution for agent governance.
Mux is free and open-source software licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).
Mux is a powerful, enterprise-governed alternative to closed AI coding tools, offering high leverage for engineers who need to orchestrate multiple AI agents in parallel.
Is Mux (Xum) free?
Yes - Mux (Xum) is Open Source. Mux is free and open-source software licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).
What is Mux (Xum) best for?
Developers who need to run complex, long-running, or multi-agent tasks in parallel without being constrained by the limits of a traditional IDE.
Who makes Mux (Xum)?
Mux (Xum) is developed by Coder. It is listed in the Terminal & CLI Agents category on ai.dosa.dev.
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