Frame is a native media conversion utility built in Rust. It provides a desktop interface for FFmpeg operations, with granular control over video, audio, image, subtitle, and metadata settings.
Source: https://github.com/66HEX/frame

guizero is a Python 3 library for creating simple GUIs.

Génial, ajouter GUI via un décorateur python à destination des allergiques au CLI, pour peu que l'argparse soit bien écrit.

via https://hackaday.com/2019/10/14/linux-fu-python-guis-for-command-line-programs-almost-instantly/