AV mixer is a simple software to use which is the key to it's success! It's a pleasure because of the simple interface, not to say it's not powerful, through it's various design stages it's increased with power and stability each time. Right up to it's current sophisticated GUI, which looks much slicker, (I was always explaining with the old version that even though it was red and yellow, it was no toy)and does justice to the programming underneath.

Isadora is a graphic programming environment for Macintosh (a beta version for Windows is also in development).