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Boop vs Dev Toolbox: catalog facts
Boop	Dev Toolbox
Free Free and open source.	Free Free and open source under the GPL-3.0-or-later licence.
macOS	Linux
Keeps sensitive text on your machine instead of online tools Many built-in actions for JSON, Base64, URL encoding and hashing	Many small developer tools in one app Works locally instead of pasting data into websites
macOS only Plain text only, with no file handling	Linux only Covers quick tasks rather than full workflows
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
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 1, 2026

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