You could have downloaded DROPCLOCK 1.0 for Mac from our software library for free. The actual developer of this Mac application is SCR. The application lies within Theming Tools, more precisely Screensavers. The most popular version among the application users is 1.0. Commonly, this program's installer has the following filename: dropclock-mac-1.0.0-sl.dmg.
From the developer:
DROPCLOCK is an aesthetically intriguing motion clock screensaver. Every minute of real time is numerically expressed with heavy Helvetica dropping into water in super slow-motion.
You may want to check out more Mac applications, such as ScreenRecord 2, Let It Snow or Fireworks HD, which might be related to DROPCLOCK.