Alternativer til Proxygram til Haiku med open source-licens

• Haiku
  Alle platforme Windows Mac Linux Android iPhone Windows Phone Blackberry Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Xbox BSD Windows Mobile Haiku PortableApps.com FreeBSD Telegram
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens