具有开源许可证的Software as a Service (SaaS)版Email Signature的替代方案

• Software as a Service (SaaS)
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone iPad Android Tablet Windows S Web Software as a Service (SaaS) Firefox Windows Mobile Microsoft Office Outlook Chrome Thunderbird Mailbird Apple Mail Microsoft Office 365 Outlook Gmail Google Apps
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照