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Gpick vs Sip: catalog facts
Gpick	Sip
Free Free and open source.	Paid Paid app with a free trial that needs no credit card.
Windows, Linux	macOS
Samples colors from anywhere on the desktop Builds and edits palettes for design applications	Fast on-screen picking with keyboard shortcuts Palette organization with descriptions
No macOS build mentioned GTK interface may feel out of place on Windows	macOS only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed 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.