具有免费许可证的Windows Phone版Backslide的替代品

• Windows Phone
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) BSD PortableApps.com Electron / Atom Shell Microsoft Office Powerpoint
• 免费许可证
  任何牌照 免费许可证 开源许可证 商业牌照