1. Keccak fpga
https://github.com/digitalcruncher/keccak-tribus

2. sha-3 fpga
http://zetheron.com/index.php/downloads/

3. rumor
Myriad-Groestl, Skein, Qubit, Quark, Groestlcoin and Keccak are all being mined by Baikal Giant X10 ASIC machines (although Groestl and Keccak are only being mined in private by Baikal, the rest are public).
http://zetheron.com/index.php/fpga-performance-profit/