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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 don't know how to solve the problem with Platinum, but you can use the desktop version of Web Minidisc Pro - ElectronWMD. It also does not require any form of internet connection, and it works exactly the same as the webapp.
There is a slightly newer version on Github called m1-hotfix that may work better on some macs https://github.com/gavinbenda/platinum-md/releases/tag/v1.2.1
NOTE:
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