Features:

 * Only runs on Windows Vista and above
 * Only incremental backups are supported
 * Mandatory compression with 7-Zip
 * Full file/directory history (SVN-like revisions, but no file content diff)
 * Restores files and directories from any given revision
 * Can trim (delete) old revisions
 * Volume Shadow Copy support (allows backup of locked files)
 * Transaction support

In order to compile the code, you must compile Process Hacker and copy:

 * phlib/bin/Release32/phlib.lib to lib/lib32/phlib.lib
 * phlib/bin/Debug32/phlib.lib to lib/lib32/phlibd.lib
 * phlib/bin/Release64/phlib.lib to lib/lib64/phlib.lib
 * phlib/bin/Debug64/phlib.lib to lib/lib64/phlibd.lib

7z.dll must be placed in the same directory as Backup.exe (with the same
architecture, 32-bit or 64-bit). You can get 7z.dll by installing 7-Zip:
http://www.7-zip.org