cmux vs. Terminal.app
| Feature | cmux | Terminal.app |
|---|---|---|
 |  | |
| Tagline | A Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. | An app for advanced users and developers with direct CLI communication to macOS. |
| Website | https://cmux.com | https://support.apple.com/en-gb/guide/terminal/welcome/mac |
| Language | swift | objective-c |
| Date Created | February 12, 2026 | September 18, 1990 |
| Platform | macos | macos |
| File Size | ~66.0 MB | ~7.0 MB |
| Image / Terminal Graphics Protocol Support | Yes | No |
| Sixel Support | No | No |
| GPU Acceleration | Yes | Yes |
| True Color (24-bit) | Yes | Yes |
| Font Ligatures | Yes | No |
| Tabs | Yes | Yes |
| Split Panes | Yes | Yes |
| OSC 52 Clipboard | Yes | No |
| OSC 8 Hyperlinks | Yes | No |
| Unicode Support | Yes | Yes |
| Notifications | Yes | Yes |
| Kitty Graphics Protocol | Yes | No |
| iTerm2 Inline Images | No | No |
| 3D Mode | No | No |
| Inline 3D Support | No | No |
| Ratty Graphics Protocol | No | No |
| Glyph Protocol | No | No |
| Kitty Keyboard Protocol | Yes | No |
| Synchronized Output | Yes | No |
| Styled Underlines | Yes | No |
| Shell Integration | Yes | No |
| Drop-down Mode | No | No |
| Built-in Multiplexer | Yes | No |
| Config Format | JSON | gui/plist |
| Source Code Availability | Open Source (GPL-3) | Proprietary Software |
| Source Code | https://github.com/manaflow-ai/cmux | |
| Development State | active | active |
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