Ah you want free. Disregard what I said.

For everyone else: https://github.com/fyildirim-debug/xtreamcodesapitom3u?tab=readme-ov-file#english

You have converters from Xtream input format (I have yet to test).

Good news! Unfortunately I’m not sold on having to have a bridge to access their email using Thinderbird, so I’m not subscribing Proton Unlimited “suite”. Also no working Linux client for Proton Drive (rclone’s is unmaintained and not working).

This is likely via silent updates of Google’s Play Services.