There's a fairly healthy ecosystem of commitment contract sites. I associate Stickk with one particular format which is contracts with money on the line by a specific date. It looks like DependaPal is more along the lines of checking in with a friend to keep you in line.
My favorite of these is Beeminder which doesn't have the social features, but it does a great job of graphing your progress and putting money on the line as you go off track in the short term.
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There's a fairly healthy ecosystem of commitment contract sites. I associate Stickk with one particular format which is contracts with money on the line by a specific date. It looks like DependaPal is more along the lines of checking in with a friend to keep you in line.
My favorite of these is Beeminder which doesn't have the social features, but it does a great job of graphing your progress and putting money on the line as you go off track in the short term.