Conmux
Conmux: A focused, open-source multiplexer for supervising persistent Windows CLI sessions. Ranked #22 of 29 in Terminal Multiplexers by our editors (7.1/10); pricing: Free plan; best for native Windows process supervision.
At a glance
- Editor score7.1 / 10
- PricingFree plan
- Best forNative Windows process supervision
- Free planYes
- Paid fromFree
- Persistence scopeLocal
- Facts checked20 Sep 2026
Where it wins
- Supervises entire process trees with Windows Job Objects
- Persists sessions through daemon-backed detach and reattach
- Captures scrollback, sequenced output, and exact exit-code events
Where it doesn't
- Supports Windows only
- Persistence is local, with no session synchronization
- Early development may limit maturity for production-critical workflows
Our verdict on Conmux
Conmux is an open-source, Windows-native terminal multiplexer for developers working with PowerShell, WSL tools, and AI-agent command-line interfaces. It runs on Windows ConPTY and provides panes that can spawn, resize, kill, and respawn processes. Beyond terminal layout, Conmux supervises whole process trees, stores scrollback, captures configurable ANSI output, and exposes pane events. Its Rust crate and CLI are complemented by a Tauri-based desktop shell, making it suited to users who want native Windows process control rather than a cross-platform terminal workflow.
The strongest distinction is process supervision. Windows Job Objects let Conmux manage an entire process tree, while daemon-backed detach and reattach persistence keeps sessions available after the controlling interface disconnects. Sequenced pane output and exact exit-code events are useful for workflows that need observable command behavior, including scripted or agent-driven sessions. The named-pipe CLI and GUI control plane add separate ways to operate the multiplexer, and the audited input injection path includes pluggable hooks for controlled interaction.
Conmux is free and open source, with local persistence and support for Windows native tools, PowerShell, WSL, CLI workflows, and a Tauri desktop GUI. Its scope is deliberately narrow: it currently supports Windows only, does not synchronize sessions, and is described as being in early development. Choose it when native Windows supervision, process-tree handling, and durable local sessions matter more than broad platform coverage or synchronized sessions. Users who need a mature cross-platform multiplexer or shared session synchronization should choose an alternative.
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Conmux pricing
Conmux fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Persistence scope | Local |
| Session synchronization | No |
| Collaboration features | Not verified |
| Custom pane layouts | Not verified |
| Plugins or extensions | Yes |
| Access platforms | Windows native, PowerShell, WSL, CLI, and Tauri desktop GUI |
| Maximum sessions | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Support | Email, Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 20 Sep 2026 |
Alternatives to Conmux
- ZellijA free, open-source multiplexer with layouts, plugins, persistence, and collaboration.9.4
- tmuxA free, scriptable way to manage persistent local terminal sessions across Unix platforms.9.2
- muxelA free, open-source workspace for managing multiple local and remote coding sessions.9.0
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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