具有免费许可证的Todo.txt版Flexlists的替代品

• Todo.txt
  所有平台 Windows Mac Linux Chrome OS Android iPhone Apple Watch Android Wear Pebble iPad Android Tablet Kindle Fire PlayBook Web Self-Hosted Software as a Service (SaaS) Firefox Windows Mobile PortableApps.com Electron / Atom Shell Apple Messages Chrome Install Chrome Extensions Google Chrome to Phone Todo.txt
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