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ttyd vs Upterm: catalog facts
ttyd	Upterm
Free Free, with source published on GitHub.	Free Free and open source.
Linux, Web, Self-hosted, Command line	Windows, macOS, Linux, Self-hosted, Command line
Turns any command into a browser-accessible terminal CJK and IME input support	Guests join with a standard SSH client Works through NAT and firewalls
Exposing a shell over the web needs care with authentication and network access No graphical management interface	Command-line only, with no graphical interface Shares a terminal, not a full desktop
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
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.