My GIT repo with updated wallet source to compile on OSX (mavericks, latest xcode cclang), in case you want to compile your own stuff... I personally don't like to install downloaded binaries!

https://github.com/vitorallo/GroestlCoin

I don't think I am getting any bounty, as long I don't prepare a full packed executable, right??

if you like the job, please donate:
FqdoCND33CsznjF8MpPhKq9YMuo1ByBM2x