Downloading PushDialer 1.8 for Mac from our website was free. This Mac application was originally created by Push Dialer, LLC. PushDialer for Mac lies within System Tools, more precisely General.
From the developer:
PushDialer allows you to dial your iPhone from your Mac anywhere that the built-in services architecture of OS X recognizes a phone number, including Safari, Address Book and more! Note: PushDialer works as an iPhone app and Mac desktop combination. The 'Download Now' link above provides you with the Mac desktop components; the 'Buy' link takes you to the iPhone app.
You may want to check out more Mac applications, such as InsomniaT, which might be related to PushDialer.