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RustCast vs Quicksilver: catalog facts
RustCast	Quicksilver
Free Free and open source under the MIT licence, with optional GitHub sponsorship.	Free Free and open source, maintained by a community of developers.
macOS	macOS
Launcher, calculator, clipboard history and unit conversion behind one hotkey Runs custom shell scripts and aliases through modes	Acts on files and apps, not only launching them Hundreds of plugins
macOS only Smaller plugin ecosystem than established launchers	macOS only The action-based workflow takes time to learn
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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