Alternativas ao Clay.io para Windows Phone com licença de código aberto

• Windows Phone
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Web Self-Hosted Xbox Playstation JavaScript Windows Mobile Java Mobile PortableApps.com Apple TV Unity Adobe Flash Player
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial