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vokoscreenNG
vokoscreenNG is a powerful screencast creator in many languages to record the screen, an area or a window (Linux only). Recording of audio from multiple sources is supported. With the built-in camera support, you can make your video more personal. Other tools such as systray, magnifying glass, countdown, timer, Showclick and Halo support will help
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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.
You maybe should have a look at "simple screenrecorder", should be available for any distros. https://github.com/MaartenBaert/ssr
vokoscreencastng has some extra options for mixing in audio from microphones and domputer... it's available for windows as well if that's something you like.