Starting on the left:
#1, I love kepharts, by the way. I first got my hands on one a couple of years ago, and I immediately knew it was comfortable and versatile.
#2, 3 I designed for backpacking - the light kind, although not ultralight.
#4, not sure what I was thinking. Just doodling with pencil and paper and that was what I came up with.
#5, 6 basic drop-points are always popular.
#7, 8 it's complicated.
#9 could have given it a longer blade, but I am sure it will still be useful.
#10 love it. Not sure why, just love it. Small, light, good for lots of tasks.