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Dev Toolbox vs DevKnife: catalog facts
Dev Toolbox	DevKnife
Free Free and open source under the GPL-3.0-or-later licence.	Paid Paid app with a 30-day free trial that needs no sign-up or card.
Linux	macOS
Many small developer tools in one app Works locally instead of pasting data into websites	Many everyday developer tools in one app Processes data locally and works offline
Linux only Covers quick tasks rather than full workflows	macOS only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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