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Trayzero vs Tracks: catalog facts
Trayzero	Tracks
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-2.0 licence; a paid hosted subscription is also…
Android	Web, Self-hosted
Designed around the GTD workflow Capture button on every screen and capture from the share menu	Built specifically around GTD contexts and projects Can run on your own computer with its built-in server
Android only No mention of sync between devices	Requires a Ruby environment to self-host Interface is web-only
Downloadable app	Self-hosted, Hosted service
Open source	Open source
License: GPL-3.0-only	License: GPL-2.0
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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