Forks Trainer!

Bigjo200x

http://cft.muttsoft.com/

Here's a great app for practicing forks and skewers! helps a lot in improving your tactical vision by using Concentric Square Chess Vision Drill in Michael de la Maza's book Rapid Chess Improvement.

Enjoy :)

Grumly06

This program looks interesting

If you also want to learn more about forks, I recommend reading my blog post here:

http://chesstrainerapp.blogspot.fr/2014/01/the-fork.html

You will get some free puzzles and understand how the fork works