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Reinschrift vs Endeavour: catalog facts
Reinschrift	Endeavour
Free Free and open source under the GPL-3.0-or-later.	Free Free and open source under the GPL-3.0 licence.
Linux, Web, Self-hosted, Command line	Linux
Tasks live in a plain Markdown file with no database Desktop app, shell extension, CLI and web app share one file	Native GNOME design Long-running project
Desktop app is built for GNOME No native mobile apps mentioned	Linux only Aimed at personal task lists rather than team project management
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Not stated if it 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.