Alternativas ao Trollbox para todas as plataformas com licença de código aberto

• Todas as plataformas
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Firefox Opera PHP BSD Windows Mobile Haiku PortableApps.com FreeBSD Chrome
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial