Alternativas ao Proxygram para PortableApps.com com licença de código aberto

• PortableApps.com
  Todas as plataformas 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
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial