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Calyx vs Zentty: catalog facts
Calyx	Zentty
Free Free and open source under the MIT licence.	Free Free to download and use.
macOS	macOS
Built on the Ghostty terminal core Designed for supervising several coding agents	Worklanes keep parallel agent sessions in separate contexts Shows when an agent is waiting for input
macOS only No tagged GitHub releases	macOS only Focused on agent workflows rather than general terminal use
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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