Alternativas ao TravelStart para Facebook Messenger com licença de código aberto

• Facebook Messenger
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear Pebble iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) HTC Vive OSVR Playstation Nintendo Switch Fire TV BSD Windows Mobile Java Mobile Haiku AROS S60 Facebook Messenger Apple TV MorphOS HP webOS AmigaOS
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial