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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.
Bluecherry Likely the most simple and easy to set up, they also have a Windows portion, but I truthfully have no idea how simple/difficult it is to set up. Has the mobile app and all that and is camera-brand agnostic so that should make it easier.
NOTE:
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Hence, a higher number means a more popular project.