Been using DAVx⁵ – CalDAV CardDAV WebDAV for a couple months now. It’s basically an app that lets you sync your contacts, calendars and tasks across devices. Pretty solid if you’re into productivity and organization stuff.
Here’s what you can do: there’s a CalDAV section for your calendars, a CardDAV section for your contacts, and a tasks section based on VTODO. And it integrates with your default calendar and contacts apps, but you can also just use the DAVx⁵ app on its own. And it’s got WebDAV support, so you can access your remote files too – that’s been really handy.
Look, if you’re into syncing all your personal data across devices, you’ll probably like this. It’s not perfect – the setup can be a bit finicky at first – but overall it does the job. Worth checking out if you need a one-stop shop for contacts, calendars and tasks.