Alternativy k Clockwork SMS pro Software as a Service (SaaS) s licencí open source

• Software as a Service (SaaS)
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) PHP JavaScript Windows Mobile Java Apple TV C++ Objective-C C (programming language)
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence