Arbit

http://www.artbit.com/ Point and snap at the artwork you love and instantly identify the piece of art to reveal more. This mobile app uses revolutionary image recognition that connects users to a network of artists, galleries and museums.

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Credly

https://credly.com/ Credly empowers the recognition of lifelong achievement by offering the leading platforms for verifying, sharing and managing digital badges and credentials. Free plan available. Blog: http://blog.credly.com/

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Open Badges

https://wiki.mozilla.org/Badges Mozilla’s Open Badges make it easy for anyone to issue, earn and display badges across the web through a shared infrastructure that’s free and open to all.

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