For low end dum-dums like me, https://sabre.io/baikal/ is a simpler, but very stable caldav solution. I bet Radicale has more features, but did I mention being low end? 
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What is a service you host you never knew you needed?
For low end dum-dums like me, https://sabre.io/baikal/ is a simpler, but very stable caldav solution. I bet Radicale has more features, but did I mention being low end?