Anyone testing iPhone Handoff calling on OS X Yosemite, Apple’s latest Mac operating system, have probably noticed one major detail missing: a dialer. Student developers Eytan Schulman and Harrison Weinerman have created a very useful utility called Continuity Keypad that solves that problem.
Essentially what the app does is bridge a gap created by Handoff and FaceTime when making calls on your Mac using your iPhone. It creates a dialer similar to the one found on your iPhone allowing you to easily call numbers using your iPhone from your Mac, and it uses transparency to fit in with the new look of OS X. Read more