Flattr Button
1,501 websites

Flattr Button is free to use

http://developers.flattr.net/button/

The first step of in using the embedded button is loading it. The url to the javascript is http://api.flattr.com/js/0.6/load.js . The embed script is loaded by placing the ...

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WidgetBox
2,091 websites

WidgetBox offers both free and paid options

http://widgetbox.com

Widgetbox was a San Francisco, California based company that enabled businesses to create and deliver applications to their customers. Widgetbox formally discontinued their service on March 28, 2014.

Market Share by Top Websites

1 WidgetBox is leading in The Entire Web.

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

Websites Categories

1 WidgetBox has better usage coverage in more websites categories. Including Science & Education, Community & Society, Arts & Entertainment, Hobbies & Leisure and 9 other categories.

2 Flattr Button is leading in Computers Electronics & Technology, Games, Reference Materials, News & Media and 7 other categories.

Geography

1 WidgetBox is leading in most countries, including United States, India, Malaysia, Spain and 62 other countries.

2 Flattr Button is leading in Germany, France, United Kingdom, Austria and 29 other countries.