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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.
From my quick search, fresco can export to psd (photoshop) file format, which keeps the layers. So you can export all frames at once into a single file. If you have photoshop, you can use that to batch export all layers to seperate images. If you don't have photoshop, you could try gimp, it can import psd files and with a plugin you can batch export layers.
NOTE:
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Hence, a higher number means a more popular project.