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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.
The Pocket facility built-in to Firefox sounds very much like what you're after. It does a great job at extracting the meat of a web page. It stores your stories in cloud storage which is therefore accessible from other places and devices. It has a tagging system for categorization.
NOTE:
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Hence, a higher number means a more popular project.