Alternativas ao ShareDiscuss para Firefox com licença de código aberto

• Firefox
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox jQuery Xfce Wordpress Microsoft Office Outlook S60 Chrome HP webOS
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial