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Fluor

A menu bar utility that switches the function keys between media controls and F1–F12 depending on the active app.

MIT · Downloads from github.com

License
MIT
Open source
Category
Utilities
Source
GitHub
Pyroh
Verified
2026

About Fluor

Fluor remembers whether each app should get the Mac's brightness and media keys or plain function keys, and flips the keyboard's mode as you switch apps. Its menu bar icon shows the current mode, a rules editor lists every per-app setting, and a running-apps panel covers programs, such as some games, that are hard to pick from a file dialog.

The latest release is 2.5.1 from July 2022, and the project's former website no longer resolves. It remains available from GitHub releases and as a Homebrew cask.

Information

Source code
Pyroh/Fluor
License
MIT
Website
github.com
Download
github.com
Category
Utilities
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