Alternativas ao Metacafe para JavaScript com licença gratuita

• JavaScript
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox Fire TV Chromecast Roku JavaScript Windows Mobile Wordpress Facebook iOS Apple TV Chrome Go (Programming Language) YouTube IPFS Dailymotion Vimeo
• Licença gratuita
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