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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.
PCSX2 is dual-licensed under GPLv3 and LGPLv3.
While it is true that they're using a bit unnecessarily reworded version of BSD-2...
The real 3rd option I was referring to was DobieStation. They're on GPLv3.
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Hence, a higher number means a more popular project.