Keccak (removed) is an algorithm invented in 2007 by Guido Bertoni, Joan Daemen, Michaël Peeters, Gilles Van Assche .
The digests (hashes generated by this algorithm) are 25 to 1600 bits (4 to 200 Bytes) in length.
You can read more about it on this page.
Keccak (removed) is supported by Easy Hash: