[olegp]

I launched StartHQ, a web app directory, this week. You can see a list of todo apps here: https://starthq.com/apps/?category=productivity

I will also add all the ones mentioned here. My personal favorite is https://starthq.com/apps/wunderlist.

[olegp]

By the way, you can vote for your favorite apps on StartHQ by liking or tweeting the app profile page and that will count towards its popularity score and ranking.