Alternativy CellSend pro všechny platformy s licencí open source

• Všechny platformy
  Všechny platformy Windows Mac Linux Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Kindle Fire Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer Chromium Chrome Opera Next
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence