Time Machine is described as 'The breakthrough automatic backup that’s built right into Mac OS X. It keeps an up-to-date copy of everything on your Mac — digital photos, music, movies, TV shows, and documents. Now, if you ever have the need, you can easily go back in time to recover anything' and is a very popular System Restore tool in the backup & sync category. There are more than 50 alternatives to Time Machine for a variety of platforms, including Windows, Mac, Linux, Android and FreeBSD apps. The best Time Machine alternative is Duplicati, which is both free and Open Source. Other great apps like Time Machine are Rollback Rx, TimeShift, Macrium Reflect and Restic.