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Script Kit vs Quicksilver: catalog facts
Script Kit	Quicksilver
Free Free, open-source download; the site does not list a price.	Free Free and open source, maintained by a community of developers.
Windows, macOS, Linux	macOS
Turns short JavaScript or TypeScript files into launchable tools SDK with ready-made prompts and helpers	Acts on files and apps, not only launching them Hundreds of plugins
Windows and Linux versions are in beta Aimed at people comfortable writing code	macOS only The action-based workflow takes time to learn
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	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.