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SecureCRT vs Tabby: catalog facts
SecureCRT	Tabby
Paid Commercial licence required after a free evaluation.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, macOS, Linux
Runs on Windows, macOS and Linux Regular-expression keyword highlighting	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
Paid licence after the evaluation period Closed source	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 not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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