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Got Your Back vs Mail Backup X: catalog facts
Got Your Back	Mail Backup X
Free Free, with source code published on GitHub.	Paid Free to try, with a paid licence to keep using it.
Windows, Linux, Command line	Windows, macOS
Uses the official Gmail API over HTTPS Scriptable from the command line	Supports many desktop clients and online mail services Archive viewer and format converter included
Command line only Only works with Gmail and Google accounts	Proprietary and paid after the trial Developer details are not clear from the site
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.