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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'm the author of Notepack https://github.com/Ogefest/Notepack it's not 1 to 1 alternative to onenote but maybe you can. I have plans to create exports as pdf in near future (pdf but also as wiki web page) and many other features.
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