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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.
My personal favorite 8-bit gaming machine is the Arduboy. They combine an Atmega 32u4 with a minimum of hardware to create a surprisingly good console.
You can modify and extend it to your hearts content and there's a usable software stack and helpful community grown up around it.
https://www.arduboy.com/
NOTE:
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Hence, a higher number means a more popular project.