OpenFreebuds: all installation options.
Download prebuild package
Linux repositories

Ubuntu 21.04+ (and based):
sudo add-apt-repository ppa:melianmiko/software
sudo apt update
sudo apt install openfreebuds

Arch Linux \ Manjaro
Use yay or any other AUR-manager:
yay -S openfreebuds
Linux: build from source code
You can build this app from source code. First, check that you have listed bellow dependencies, and install missing.
- Python 3.9+ and pip3
- Python GObject bindings (python-gi)+
- Python DBus bindings (python-dbus)
- Tkinter and python bindings (tk, python-tk)
- Appindicator3 (libappindicator3)
- Bluez, PyBluez (bluez, python-bluetooth)
- Git, Make
- Gtk3
git clone https://github.com/melianmiko/openfreebuds.git
cd openfreebuds
# Install other python deps
pip3 install -r requirements_lib.txt
# Make and install
maka
sudo make install