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Supaterm vs Calyx: catalog facts
Supaterm	Calyx
Freemium Free trial limited to five open tabs; a personal license is $99 once with a year of…	Free Free and open source under the MIT licence.
macOS, Command line	macOS
Native macOS terminal using libghostty Spaces, tabs and panes for organizing sessions	Built on the Ghostty terminal core Designed for supervising several coding agents
Requires macOS Tahoe Trial is limited to five open tabs	macOS only No tagged GitHub releases
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	Not stated if an account is needed
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.