Sale has ended but you can still get this app.
Download Nice Timer Dock – a Dock timer and stopwatch Now

Official Description

END OF SUMMER SALE – 66% OFF UNTIL 15.09.2016

Nice Timer – dock is the only app you really need when you need… a timer! You can use this beautiful app as a timer or as a stopwatch. Nice Timer – dock contains 7 built-in styles and it always sits just on-click-away in your dock. It's built for OS X El Capitan so it looks great and it gives you access to a handy Today View extension.

Features:
-simple and beautiful design,
-Today View extension,
-easy to use,
-timer,
-stopwatch,
-7 styles and more to come!
-global hotkeys,
-El Capitan ready.