使用Gtdagenda实现David Allen的GTD
David Allen 是

徐恒使用过Vitalist,rememberthemilk,两个在线GTD工具。稍觉遗憾的是：他们都不提供日历功能，虽然都可以使用ical，可以在google日历中调用。而

前不久发了篇提供GTD软件Thinkingrock2下载的文章。没想到有国外网友Dan Baluta留了言，介绍他的在线GTD网站gtdagenda。徐恒注册了一下，发现这个网站很有特点。

You can use it to manage your goals, projects and tasks, set next actions and contexts, use checklists, schedules and a calendar.
A mobile version is available too.

With the new added iCal feed, now you can subscribe to Gtdagenda with third party services like Google Calendar or Apple iCal, and stay up-to-date with your Gtdagenda