Alternativy k Kartra 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 Blackberry iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Windows Mobile
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence