Replacing Todoist with a Self-Hosted CalDAV Setup

Update (April 2026): Since writing this post, I built Caffeinated Calendar , which connects directly to Radicale and any CalDAV server alongside Google, iCloud, Outlook, and Zoho. It has full CalDAV task support and replaced both OneCalendar and Tasks.org for me. The Radicale setup below still applies. Jump to the update. Update (May 2026): Since my last update, I&rsquo;ve completely uninstalled…