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Both apps share one version number, and both are free. Latest version v0.3.3
Cubyx
The full desktop workspace: conversations, files, editor, terminal, Git.
- macOS · Apple siliconComing soonFor your system
Cubyx is macOS-only (Apple silicon) for now. On Windows and Linux, start with Buddy.

Buddy
The menu-bar edition: lives in the menu bar, one desktop pet per agent.
Opening it the first time on macOS
The app isn’t notarized by Apple, so macOS blocks the first launch. You only do this once.
- Open the DMG, drag the app into Applications, then eject the DMG.
- Double-click the app in Applications. When macOS says it can’t verify the developer, click Done.
- Open System Settings → Privacy & Security, scroll to the bottom, click Open Anyway next to the app, and confirm with your password.
Since macOS 15, right-click → Open no longer bypasses this. If you prefer the Terminal:
xattr -dr com.apple.quarantine /Applications/Cubyx.app