Open Island vs cmux
Side-by-side comparison for macOS
Open Island
8.0Native companion app for AI coding agents
cmux
8.0Ghostty-based terminal with vertical tabs and notifications for AI coding agents
| Metric | Open Island | cmux |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| AI Score | 8.0 | 8.0 |
| 30-day Installs | 219 | 5.3K |
| 90-day Installs | 798 | 19.9K |
| 365-day Installs | 815 | 53.1K |
| Version | 1.1.8 | 0.64.22 |
| Auto-updates | Yes | Yes |
| Deprecated | No | No |
| GitHub Stars | 1.2K | 4.8K |
| GitHub Forks | 202 | 292 |
| Open Issues | 132 | 384 |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Swift | Swift |
| Last GitHub Commit | 3mo ago | 5mo ago |
| First Seen | Jun 2, 2026 | Feb 26, 2026 |
Reviews
Open Island
Open Island is a native macOS companion app designed for AI coding agents, offering integration with various code agents and terminal emulators. It supports popular platforms like cc/codex/opencode and terminal tools, making it ideal for developers relying on AI-driven coding assistance.
Open Island serves as a companion app for AI coding agents, providing integration and tools for developers.
Pros
- + Open-source and actively maintained
- + Supports multiple AI coding agents and terminal emulators
- + Integration with macOS features like Dynamic Island
Cons
- - High number of open issues
- - Limited direct community discussion
cmux
Cmux is a Ghostty-based terminal offering vertical tabs and notifications tailored for AI coding agents. It caters to developers and coders by providing a sleek interface with integration for AI tools, enhancing productivity through its unique features.
Cmux functions as a terminal multiplexer with vertical tabs and notifications designed for AI coding agents.
Pros
- + Integration with Ghostty for terminal functionality
- + Vertical tabs for efficient workflow management
- + Notifications tailored for AI coding agents
Cons
- - A high number of open issues may indicate areas needing attention
- - Primarily focused on AI coding agents, which might limit its appeal to some users