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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Hull
348 websites

Hull offers both free and paid options

http://www.hull.io/

Hull is a social infrastructure as a service, that lets you build social web applications with open, reusable components.

Market Share by Top Websites

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

2 Hull is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Hello Bar has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Community & Society, Health and 14 other categories.

2 Hull is leading in Business & Consumer Services, Vehicles and News & Media.

Geography

1 Hello Bar is leading in most countries, including United States, India, Canada, Netherlands and 40 other countries.

2 Hull is leading in United Kingdom, France, Germany, Taiwan and 11 other countries.