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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 you want smaller files, I love Don Melton's video transcoding tools. They are easy to set up and give you a nice, high quality video file with very little fussing around.
NOTE:
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Hence, a higher number means a more popular project.