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Good online visualization\charting API is a great time saver when building a site. It spares the need to install libraries, handle with image files, and write lots of boilerplate code.

Criteria for good answers:

  • Good looking
  • Free
  • Stable API and Site (unlikely to disappear anytime soon, leaving my site without charts)
  • Good SLA
  • Easy to learn
  • Variety

One tool per answer please, and images are really welcome!


PS Admins, please retag my question with "chart" and "visualization"

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1 Answer 1

up vote 8 down vote accepted

My 50 cents: Google Visualization\Charts.


  • Free
  • Quite easy to use
  • Charts look great


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This would be my recommendation too, so +1. –  Bernhard Hofmann Aug 24 '10 at 8:12

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