Mouser: An open source alternative to Logi-Plus mouse software 4 months ago
For macos you can use also better-touch-tool https://docs.folivora.ai/docs/normal-mouse/logitech/#example... which is an amazing app.
I hate that mx still doesn't install a small board to save your configuration, and not force you to open a crappy software which eats ram unnecessarily. Seems like they need data more than the convenience of consumers.