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Upterm vs Tuple: catalog facts
Upterm	Tuple
Free Free and open source.	Paid Paid subscription with a 14-day free trial.
Windows, macOS, Linux, Self-hosted, Command line	Windows, macOS, Linux
Guests join with a standard SSH client Works through NAT and firewalls	Sharp screen sharing tuned for reading code Low-friction remote control for both participants
Command-line only, with no graphical interface Shares a terminal, not a full desktop	Paid after the trial Linux version is still in alpha
Downloadable app, Self-hosted	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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