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Tabby vs WindTerm: catalog facts
Tabby	WindTerm
Free Free and open source under the MIT licence.	Free The author states WindTerm is completely free for commercial and non-commercial use…
Windows, macOS, Linux	Windows, macOS, Linux
Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration	SSH v2, SFTP, telnet, raw TCP, serial and tmux in one native client Free for commercial use with no seat or session limits
Electron, so start-up and memory use are well above a native terminal The plugin ecosystem is small	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
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License: Apache-2.0
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.