I’d like to use the NextCloud calendar provided by Disroot on my phone, but I can’t find any client for it on F-Droid. It can be synced with other calendar apps, but that’s read-only.
You could check here:
You will probably need to install DAVx⁵ and OpenTasks.
Thanks, I managed to get it to work. DAVx5, OpenTasks and Etar together it is.