You could have downloaded KernelSwitch 1.0 for Mac from our application library for free. The actual developer of this free Mac application is Fix-KB. KernelSwitch for Mac relates to System Tools.
From the developer:
KernelSwitch is a free application that helps you to connect your Olympus Dictaphone device with your Mac computer. Olympus Sonority is unable to detect digital voice recorders on newer Mac models running a default kernel and this app solve your problem.
You may want to check out more software for Mac, such as ToFi, iStar Composer or toDoo, which might be related to KernelSwitch.