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GTKTerm vs tio: catalog facts
GTKTerm	tio
Free Free and open source.	Free Free and open source.
Linux	Linux, Command line
Simple graphical interface Lightweight GTK application	Simple to start with a single command Works entirely in the terminal
Linux only Serial connections only	Command line only, no graphical interface Only for serial connections, not SSH or Telnet
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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