Alternativas ao Kitabu para Chrome com licença de código aberto

• Chrome
  Todas as plataformas Windows Mac Linux Android iPhone Windows Phone Blackberry iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox BSD Windows Mobile Java Mobile F-Droid S60 Pale Moon Chrome HP webOS Moodle
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial