Amara

Amara lets people collaborate to make video accessible to everyone. There has never been a bigger need for translations and captions-- video is the most powerful and popular medium in the world. Join our global volunteer community! We think collaborative subtitling is the best way to eradicate language and accessibility barriers for socially important and popular videos on the web. A project of the Participatory Culture Foundation, pculture.org.
Physical address: 
Spain

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There are currently 385 Commons-Based Peer Production cases!