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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.
If one is just looking for higher resolution semigraphics, then drawille ( https://github.com/asciimoo/drawille ) can put eight pixels into a single character using Unicode's Braille patterns. ( https://en.wikipedia.org/wiki/Braille_Patterns ) (Assuming, of course, that one has at least one font that supports that Unicode block.)
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.