Alternativas ao ICanHazChat para Windows S com licença de código aberto

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