Fontra Pak is a cross-platform, standalone, bundled Fontra application for desktop use.
Binaries for MacOS (11 and up), Windows (10 and up) and Ubuntu x86_64 can be downloaded under releases.
For Linux, there are more options, such as flatpak and snap: https://docs.fontra.xyz/how-tos/installation/installing-fontra-pak-linux/
To run the main program directly, set up a Python 3.10 (or higher) virtual environment, install the requirements from requirements.txt, then run:
python FontraPakMain.py
To build a self-contained application, set up a Python 3.10 (or higher) virtual environment, install the requirements from requirements.txt and requirements-dev.txt, then run:
pyinstaller FontraPak.spec -y
Drop a font file onto application icon, or launch the application, and drop a font file onto the drop area. Or use the "New font" button to create a new font.