Perhaps you're thinking of GTD (Getting Things Done), a highly structured productivity/organization system that can be carried out with anything from paper folders to powerful apps? If so, Moo.do would work well since it supports using @tags for contexts, among other parts of GTD.
Perhaps you're thinking of GTD (Getting Things Done), a highly structured productivity/organization system that can be carried out with anything from paper folders to powerful apps? If so, Moo.do would work well since it supports using @tags for contexts, among other parts of GTD.