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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.
The only other thing I can think of is, have you tried Amidst? It's a program you can download from GitHub. Again, I don't know if it supports versions that old, but if it does, it can read directly from your actual world's level.dat from your Minecraft launcher installations. https://github.com/toolbox4minecraft/amidst/releases
NOTE:
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Hence, a higher number means a more popular project.