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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.
AwesomeWM provides an api to render graphs, that i know for sure, also, AwesomeWM can definitely create application launcher bars. It's just that most posts you see on r/unixporn that show off AwesomeWM aren't indicative of how powerful its API is, for example - here's an entire DE written with AwesomeWM: https://github.com/ODEX-TOS/tos-desktop-environment/
xwallpaper is great if you're using Xorg
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.