We don't yet have any codebase for binary only versions.

However the other Christian has dropped out of C&C hash factory (leaving in good terms) to concentrate
more on personal business. So I get to decide the strategy for code releases.

I feel inclined to release the Killer Groestl quad version which works best on Compute 3.0 and still decently
on Compute 3.5. This is nontrivial to port to AMD due to its use of warp shuffle instructions.