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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.
Godot has support for many programming languages [0] through 'GDNative' which generally lets you access the API through any programming language that can bind to C++. I see that there is D support [1] but I have no idea how robust it is.
[0] https://docs.godotengine.org/en/latest/tutorials/scripting/g...
[1] https://github.com/godot-d/godot-d
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