Tasks
Description
With the tasks app, you can
add and delete tasks, edit their title, description, start and due dates and reminder times, mark them as important and add comments to them.
share tasks between users.
synchronise tasks by using the CalDav tool (Each task list is linked to a Nextcloud calendar. To synchronise it with your local client - Thunderbird, Evolution, KDE Kontact, iCal… - just add the calendar as a remote calendar to you client.).
Tasks App
Access
Webbrowser
Smartphone-App
Use
The use is self-descriptive.