Well-regarded synchronization, backup and mirroring tool ChronoSync will be going on sale between November 28 and December 2 in what the developer, Econ Technologies, says is its “Thanksgiving-Black Friday-Small Business Saturday-Cyber-Monday” event. The program, which normally sells for $40 but includes free lifetime upgrades, will be discounted by 25 percent to $30 during the sale. Unlike Apple’s own Time Machine solution, ChronoSync can be customized to backup only selected items, create bootable backups, and works across platforms, external drives, network drives and even iOS devices. A de…