I have been fascinated by Go since I was introduced to it at the tender age of 20, but I am actually a pretty bad player (probably 20-15k). What I am better at (hopefully) is programming.
I am the author of the iOS app Little Go, and of the Mac OS X utility dgsmonX. Both are free and open source.
I frequently use Sensei's Library as a reference for my Go-related programming activities. I rarely make edits because I am not a good player and therefore do not have much to contribute.