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WindTerm vs Tabby: catalog facts
WindTerm	Tabby
Free The author states WindTerm is completely free for commercial and non-commercial use…	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux
SSH v2, SFTP, telnet, raw TCP, serial and tmux in one native client Free for commercial use with no seat or session limits	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
Only part of the source is published, so it is not fully open source The last release was in March 2025 and the repository has been quiet since	Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small
Downloadable app	Downloadable app
Closed source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 21, 2026

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