KeepAliveHD is a simple program which prevents your hard drive to go into automatic standby mode. It works by writing a small text file to your external drive every few minutes.

PingHD is described as 'An opensource, cross-platform, and standalone GUI tool to keep your hard drive(s) alive based on time interval you choose' and is an app. There are 2 alternatives to PingHD for Windows. The best PingHD alternative is KeepAliveHD, which is both free and Open Source.
KeepAliveHD is a simple program which prevents your hard drive to go into automatic standby mode. It works by writing a small text file to your external drive every few minutes.

Your machine's hard disks enter into sleep mode during periods of inactivity to allow for system life-extending operations such as disk cooling. Prevent Disk Sleep circumvents sleep mode enabling quick disk response to any file operations even in the event of an extended...
