FileHash is a "rewrite from sratch" in C# from the original programs md5sum, sha1sum, sha256sum, sha384sum and sha512sum. These programs are parts of the GNU core utilities. The target OS is primary Windows. But it also runs through Mono on Linux and MacOSX. The original progams are copyrighted by the Free Software Foundation Inc.
Attention: FileHash will not be maintained by the Free Software Foundation Inc. If you find bugs, please use the issue tracker on Github.