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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.
Honestly, the only 2 times I would recommend you stay with Roll20 is if A) You are really insecure when it comes to computers as you will be hosting the server yourself (again, really simple with foundry, but it can scare some folks) or B) You are heavily invested in your 5E system and do not wish to import your campaign (though there is a tool to make the move from roll20 to Foundry much less painful)
NOTE:
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Hence, a higher number means a more popular project.