Ask HN: What are your favorite JavaScript charting libraries?

Requirements:

  * Line plots with time-based x-axis
  * Free to use
  * Mobile friendly

4 comments

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I like Dygraphs.

The documentation could be better but the library is very feature-rich and customizable.

In addition to chartjs which has already been mentioned, we like http://www.highcharts.com/

Free for non-commercial, $99 per website, and about $500 for most other uses.

The API is clean and easy to learn. Their support has always been top notch for us.

merrily 11y ago ↗

If an option like HighCharts is on the table, it is worth checking out http://www.zingchart.com

Free branded version and a variety of licenses available. Flexible styling and no plugins required.