Appropedia made it to semi-finalist
in the Buckminster Fuller Challenge. (Yay, recognition! Sob, no cash prize.) From our entry:
Difficulties in tracking down existing solutions to appropriate technology problems has led to engineers and fieldworkers wasting time, energy, and resources solving the same problems over and over again. A single shared infrastructure is needed so that the existing disjoint community of appropriate technologists can more easily and openly collaborate on their projects.
...and that's exactly what we're doing, in appropriate technology and many related areas.