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Core Shell vs Tabby: catalog facts
Core Shell	Tabby
Freemium Free basic version; Premium starts at $14.99.	Free Free and open source under the MIT licence.
macOS, iOS	Windows, macOS, Linux
Full OpenSSH compatibility, including certificates and proxy jump macOS Keychain integration for passphrases	Local shells, SSH, Telnet and serial connections in one program Encrypted container for SSH secrets and configuration
macOS 15 or later only Tags, sync and scripting require Premium	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
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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