The Microsoft File Checksum Integrity Verifier (fciv.exe) is a command line tool you can use to calculate MD5 and SHA1 hashes for files.
It is a suitable alternative to linux's md5sum, and eliminates the need for third party tools or Cygwin.
Found this handy tool online to convert Belgian bank account numbers to international IBAN/BIC:
A handy tool to edit file associations, default program handlers, and autoplay handlers:
And best of all, it's free!