I added my entry to the list (I did it wrong and had to make several revisions till I got it right, so if you missed all the entries for a moment it's my fault)

The application is called ρcam and it going to do just that. Capture raw images. Initially this will be for harmattan as there are a lot of good camera options for fremantle. I hope this task completes quickly so more features can be baked in before the end of the competition.