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