"Free tool to record the sound from YouTube videos."
There are few people today who haven´t heard of Youtube, the famous Internet video portal. It seems that it has everything you need stored there.
There are many programs around today that let you download and convert these videos, but, what happens when it isn´t the video you are interested in (which are often just a series of slides accompanying the music) but the sound?
On these occasions you have MyYouMusic, a free and open code tool created in Java that lets you save the sound from these Youtube videos (this version works with videos from other websites too) so you can listen to them when you want without needing to be connected to the Internet.