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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.
emptty is a simple, lightweight CLI Display Manager that gives you a console login screen as an alternative to a typical login manager GUI that displays in place of the default shell at the end of the boot process. Kindly suggested by antyhrabia.
PlantUML is designed to help you more-quickly draw clear, human-readable network diagrams. cr0ft appreciates it because “[network diagrams] can take a shit ton of time, especially if you want to create something good looking.… Personally I'm just not that artistic... so I'm currently working on making diagrams with [this tool].”
OBS Studio is an open-source solution for video recording and livestreaming on Windows, Mac and Linux. Offers high-performance, realtime audio and video capture and mixing from a wide variety of sources. Recommended by mikeparkie, who reports he finds it useful for screen recording.