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LaunchBar vs RustCast: catalog facts
LaunchBar	RustCast
Paid Paid licence with a free download to try; the site also describes an option to use it for…	Free Free and open source under the MIT licence, with optional GitHub sponsorship.
macOS	macOS
Learns abbreviations for apps and documents File browsing and moving without Finder	Launcher, calculator, clipboard history and unit conversion behind one hotkey Runs custom shell scripts and aliases through modes
macOS only Paid licence for full use	macOS only Smaller plugin ecosystem than established launchers
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	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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