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rotki
A portfolio tracking, analytics, accounting and management application that protects your privacy
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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.
Check out Rotki. It's open source, keeps data local, and it comes with a bunch of features for free. Not everything is integrated yet as it is still under active development, but it's the best portfolio tracker out there that I know of. And it's only $12/mo for the paid features, which goes to supporting the indie dev team lead by Ethereum OG Lefteris Karapetsas.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.