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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.
Because it's traditional to use C for freestanding stuff but C++ is as capable as C to be use for freestanding code. For example here is a bootloader written in hight level C++ https://github.com/skiftOS/skift/blob/main/src/loader/loader.cpp
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