具有开源许可证的Windows S版RankTrackr的替代方案

• Windows S
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch iPad Android Tablet Kindle Fire Windows S PlayBook Web Self-Hosted Software as a Service (SaaS) Windows Mobile Apple TV Chrome Google Drive - Sheets
• 开源许可证
  任何牌照 免费许可证 开源许可证 商业牌照