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hb-downloader
An automated utility to download your Humble Bundle purchases with support for the Authy token.
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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.
I'm way late to the party here, but in case anyone is still looking for it, there was/is a bit of software on github called hb-downloader (https://github.com/talonius/hb-downloader) a fork of which was designed to integrate into Calibre (https://github.com/AEL-H/humblebundle-calibre-plugin) which also had a fork (https://github.com/mykelalvis/humblebundle-calibre-plugin).
NOTE:
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Hence, a higher number means a more popular project.