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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.
NordPY works decently well as basically a GUI for the Linux client. It does have issues with blocking the internet connection altogether if you leave it connected when you suspend and wake the computer up, so you'll need to open it and disconnect/reconnect when you do that. Other than that, I've had no issues with it.
NOTE:
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Hence, a higher number means a more popular project.