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Trayzero vs Do The Thing: catalog facts
Trayzero	Do The Thing
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-3.0.
Android	Android
Designed around the GTD workflow Capture button on every screen and capture from the share menu	Fully local with no account Seven task types including randomized-interval tasks
Android only No mention of sync between devices	Android only Young project with a small user base
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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