Alternativas ao XnRetro para Chrome com licença de código aberto

• Chrome
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox Python BSD Haiku PortableApps.com Facebook S60 Apple TV Chrome Dropbox TinyMCE CKEditor N1ED Socialscribe
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial