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Tracks vs Trayzero: catalog facts
Tracks	Trayzero
Free Free and open source under the GPL-2.0 licence; a paid hosted subscription is also…	Free Free and open source under the GPL 3.0.
Web, Self-hosted	Android
Built specifically around GTD contexts and projects Can run on your own computer with its built-in server	Designed around the GTD workflow Capture button on every screen and capture from the share menu
Requires a Ruby environment to self-host Interface is web-only	Android only No mention of sync between devices
Self-hosted, Hosted service	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	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.