Horological freeware

We will not suggest you an
unfinished list of program files but only a few free applications we extensively
used testing their reliability and usefulness.

Click on program's name to go to download page.

- AboutTime: this utility will synchronize your computer clock with exact time given by NIST, NASA or U.S. Naval Observatory with a few milliseconds tolerance.

- Shadows: allows drawing a very detailed flat sundial using computer, without knowing sundial theory. You can print it in large dimensions using a common small printer thanks to the ability of Shadows of splitting the plan. It will also give gnomon position and dimension.

- Clockmaker's aid: useful to execute routine calculations in the clock workshop such as pendulum length, cutting speed, gearing modules, etc...

- Convert: a very comprehensive and user-friendly conversion utility.