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Albert vs Quicksilver: catalog facts
Albert	Quicksilver
Free Free for personal use. The source is public under the Albert license, which is not an open…	Free Free and open source, maintained by a community of developers.
macOS, Linux	macOS
Plugin architecture makes it highly extensible Lightweight C++/Qt implementation keeps it fast	Acts on files and apps, not only launching them Hundreds of plugins
Linux and macOS only, no Windows support Requires manual plugin configuration to unlock full potential	macOS only The action-based workflow takes time to learn
Downloadable app	Downloadable app
Closed 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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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