Hello Bar
406 websites

Hello Bar offers both free and paid options

http://www.hellobar.com/

The Hello Bar is a customizable, relatively unobtrusive bar that sits at the top of a website and directs visitors with a call to action. For example, the bar on Gary Vaynerchuk’s website prompts visitors to “Circle me up on Google+!”, whil...

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Tableau
137 websites

Tableau costs money

http://www.tableau.com

Data visualization tool can help you create an interactive viz and embed it in your website or share it.

Market Share by Top Websites

1 Hello Bar is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Tableau is clearly lagging behind, losing to Hello Bar in all segments.

Websites Categories

1 Hello Bar has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Community & Society and 16 other categories.

2 Tableau is leading in Law & Government, News & Media, Sports and Gambling.

Geography

1 Hello Bar is leading in most countries, including United States, India, United Kingdom, Canada and 43 other countries.

2 Tableau is leading in Italy, China, Hong Kong, New Zealand and 12 other countries.