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Nextcloud Deck vs Lonewolf: catalog facts
Nextcloud Deck	Lonewolf
Free Free app for Nextcloud servers.	Free Free and open source under GPL-3.0.
Web, Self-hosted	Linux
Runs on your own Nextcloud server Kanban boards shared with Nextcloud users	Organizes work with lists, cards, and labels Cards support due dates, attachments, and checklists
Requires a Nextcloud server Simpler than dedicated project management tools	Distributed as a Flatpak for Linux; Windows and macOS builds are not provided.
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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 8, 2026

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