具有开源许可证的Firefox OS版CircleBack的替代方案

• Firefox OS
  所有平台 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
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照