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4cat
The 4CAT Capture and Analysis Toolkit provides modular data capture & analysis for a variety of social media platforms.
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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.
You can do your own fairly easily by downloading a twitter dataset and futzing with the data in Rstudio and/or Gephi.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.