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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I am using etesync-dav on Linux. You have to follow this guide https://github.com/etesync/etesync-dav First, make sure etesync-dav works on your OS. Then you have to install the add-ons Tbsync and Dav for Thunderbird and enter your local dav server adress. After restarting the PC the syncing works fine for me.
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