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CuteCom vs SerialTest: catalog facts
CuteCom	SerialTest
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, licensed under the GPL-3.0.
Linux	Windows, macOS, Linux, Android
Graphical alternative to minicom and screen Useful for embedded and microcontroller work	Serial, Bluetooth SPP, Bluetooth LE, TCP and UDP in one tool Realtime plotter for incoming data
Linux focused Limited documentation on the project page	Bluetooth LE support is client only Interface aimed at engineers rather than casual users
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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