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plasma-hud
Provides a way to run menubar commands in KDE Plasma through rofi, much like the Unity 7 Heads-Up Display (HUD).
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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.
Yeah, this is because the feature is implemented into the apps and not on a system level. If you want that, there's this: https://github.com/Zren/plasma-hud
NOTE:
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Hence, a higher number means a more popular project.