Alternativy k PPMessage pro Windows s licencí open source

• Windows
  Všechny platformy Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry iPad Android Tablet Web Self-Hosted Software as a Service (SaaS) Safari Internet Explorer Wordpress Shopify Chrome Joomla BigCommerce Drupal
• Licence Open Source
  Jakákoli licence Bezplatná licence Licence Open Source Komerční licence