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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.
It sounds like a kind of black magic:
> ...It’s a dynamic code instrumentation toolkit. It lets you inject snippets of JavaScript or your own library into native apps on Windows, macOS, GNU/Linux, iOS, Android, and QNX.
> ...Frida’s core is written in C and injects QuickJS into the target processes, where your JS gets executed with full access to memory, hooking functions and even calling native functions inside the process.
> There’s a bi-directional communication channel that is used to talk between your app and the JS running inside the target process.
Here's a description of the architecture:
https://frida.re/docs/hacking/
And the source:
https://github.com/frida/frida
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Apparently using "wxWindows Library Licence, Version 3.1":
> This is essentially the LGPL, with an exception stating that derived works in binary form may be distributed on the user's own terms. This is a solution that satisfies those who wish to produce GPL'ed software using Frida, and also those producing proprietary software.
https://github.com/frida/frida/blob/master/COPYING