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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Ning
6,689 websites

Ning costs money

https://www.ning.com/

Built from the ground up for social, Ning's scalable hosted platform gives you the tools and expertise you need to publish and connect with your community

Market Share by Top Websites

1 Ning is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 Hello Bar is leading in Top 10K Sites.

Websites Categories

1 Ning has better usage coverage in more websites categories. Including Community & Society, Science & Education, Arts & Entertainment, Computers Electronics & Technology and 20 other categories.

2 Hello Bar hasn't got a lead over Ning in any websites category.

Geography

1 Ning is leading in most countries, including United States, Spain, Brazil, India and 109 other countries.

2 Hello Bar is leading in Azerbaijan and Zimbabwe.