Distributed hash cracking sites...

http://plain-text.info ==> this site allows you to test a hash

http://www.antsight.com/zsl/rainbowcrack ==> rainbow table cracking tool site… which uses CUDA for its calculations and it seems to boost significantly… about 300x faster compared to a normal CPU…

http://www.freerainbowtables.com/ ==> free rainbow tables! and distributed hash calculation…