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RustCast vs Tuna: catalog facts
RustCast	Tuna
Free Free and open source under the MIT licence, with optional GitHub sponsorship.	Freemium Free with soft limits; Pro is a one-time $49 unlock.
macOS	macOS
Launcher, calculator, clipboard history and unit conversion behind one hotkey Runs custom shell scripts and aliases through modes	Native Swift app Several modes including fuzzy and text input
macOS only Smaller plugin ecosystem than established launchers	Still in beta Requires macOS 15 or newer
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account 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 1, 2026	Official website Full listing and sources Checked October 1, 2026

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