I've been a fan of GQueues for the branching and simple web interface, but GTDNext is way better in just the few minutes of testing it out (especially the ease of adding actions & a reasonable amount of projects allowed for a free version). A mobile app would be nice, but a solid web-based GTD app works well for me.
GTDNext
GTDNext
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Web: GTDNext is a to-do list webapp that makes it easy to manage your tasks based on the principles of the Getting…
There's no better feeling than checking something off your to-do list. Done! Finished! Mission accomplished! Yet…