Alternatives à CircleBack pour Firefox OS avec licence open source

• Firefox OS
  Toutes les plateformes Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 iPad Android Tablet Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Windows Mobile Java Mobile Microsoft Office Outlook iOS S60 Chrome Gmail Firefox OS Sailfish OS Salesforce.com HubSpot Intercom Marketo Pardot Eloqua Google Contacts
• Licence Open Source
  Toute licence License gratuite Licence Open Source Licence commerciale