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TimeFlow is an open-source visualization tool for temporal data.

TimeFlow is available on GitHub.
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Sarah Cohen

TimeFlow is an open-source visualization tool for analyzing temporal data, created in 2010 with Sarah Cohen (then at Duke University). It's tailored for journalists, but can be useful for anyone who wants to understand complicated sequences of events.

The application lets users visualize events in several ways, including a standard timeline (above), a table, a bar chart and an interactive calendar (below). TimeFlow also has a powerful set of tools for filtering and aggregating data.

Since the code has been released under an open-source license, it's free for use and modification by others.

The table lets users sort, filter, and edit thousands of rows

A bar chart view gives a quick overview

Events can be viewed on an interactive calendar