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 toDoo, Matchprint Virtual or NWD-211AN Utility, which might be related to KernelSwitch.