SharpCrack is a command line hash cracker written in managed code. It supports parallel computing by the Task Parallel Library.
Features
Attack modes:
Brute-force (coming soon)
Wordlist
Execution modes: sequential, parallel
Word transformations:
To lowercase
To uppercase
Append prefix
Append postfix
Supported hash algorithms: MD5, RIPEMD160, SHA1, SHA256, SHA384, SHA512
Read more: Codeplex