There is a private GPU miner of which the advantage is not currently known. The GPU miner is not a large part of current mining.

There is a 1% developer bounty in the binaries, but that can be disabled.

Technical Information
Release Date: 2014/05/17
Algorithm: CryptoNight
Total supply: ~18,450,00
Premine: 0
Block Time: 2 minutes
Block Reward:  base_reward=(EMISSION_SUPPLY – already_generated_coins)
Difficulty Retarget: Every Block

Websites
Website
Bitcointalk
Reddit

Block Explorer
Source
IRC: #boolberry on freenode.net