Alternativer til Clockwork SMS til Chrome OS med open source-licens

• Chrome OS
  Alle platforme 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)
• Open Source-licens
  Enhver licens Gratis licens Open Source-licens Kommerciel licens