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Quicksilver vs Script Kit: catalog facts
Quicksilver	Script Kit
Free Free and open source, maintained by a community of developers.	Free Free, open-source download; the site does not list a price.
macOS	Windows, macOS, Linux
Acts on files and apps, not only launching them Hundreds of plugins	Turns short JavaScript or TypeScript files into launchable tools SDK with ready-made prompts and helpers
macOS only The action-based workflow takes time to learn	Windows and Linux versions are in beta Aimed at people comfortable writing code
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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