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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 could, at least in theory, do lots of GUI stuff in Emacs itself already with SVG (org PNGs). See for example svg-lib by N. Rougier for doing stuff like buttons, toolbars and some other gui elements. You can do pop-up menus with child frames.
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