Apps similar to OpenFreebuds include ANCBuddy. It's paid, but EarX and FreeBuddy are free. Other options are Earbud Companion. In total there are four Headphones Managers like OpenFreebuds for Linux, Android and Mac.
ANCBuddy is a native macOS menu bar utility for Bose QC Ultra Headphones (Gen 1 and Gen 2) and QC Ultra Earbuds (2nd Gen). It switches Quiet, Aware and Immersion modes directly over Bluetooth, displays battery and connection status, and can optionally apply track-aware Bass, Mid...
Germany
EU
Application with user-friendly GTK interface to control Active Noise Cancellation modes on Nothing wireless earbuds via Bluetooth. Offers High, Transparency, or Off ANC switching, asynchronous Bluetooth handling with bluer and Tokio, open-source, Linux support, no cloud required.
SpainEU
Free and open source app for Huawei Freebuds 4i headphones. Brings the same functionality from the original app minus all the related bloat (the app size is smaller than 20MB)
Provides popup and system tray integration to monitor earplug or audio device connection status, custom icon color, optional dot, battery percentage display, minimal setup, and visual notifications for Linux desktop users through KDE frameworks and bluezqt.
FranceEU
