Alternativer til jTalk til Facebook Messenger med open source-licens

• Facebook Messenger
  Alle platforme Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Safari BSD Windows Mobile Java Mobile Xfce Haiku PortableApps.com Facebook FreeBSD F-Droid Apple Messages S60 Facebook Messenger Chrome HP webOS Telegram PureOS (Purism)
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens