1) I'm workin' on it.
2) It won't be open source.
3) All software is conceptually easy. It's the execution that's hard.
4) Trainer road is pretty?!?! It's graphs! And ugly ones at that.
Seriously tho, props to the guys that have their product on the market. TR is a great resource for people to have, even if the price seems a little silly.
Well, at least to me, the programming required to make something like Golden Cheetah far exceeds the programming required to make a TR knockoff.