具有免费许可证的Safari版Tasks的替代品

• Safari
  所有平台 Windows Mac Linux Chrome OS Android iPhone Windows Phone Apple Watch Android Wear iPad Android Tablet Kindle Fire PlayBook Web Software as a Service (SaaS) Firefox Safari BSD PortableApps.com Slack Chrome GNU Emacs Install Chrome Extensions Google Chrome to Phone
• 免费许可证
  任何牌照 免费许可证 开源许可证 商业牌照