I think it's Adobe Flash Player 2.1? Most probably...
3d max
what animation software was used to produce DC Young Justice
He used flash to animate it he may have recorded his screen then animated it in flash
One can find free 3D animation software at the 'Blender' website. The software can be downloaded and used for free. One can find similar software from 'Anim8or'.
mosty Java
Most widely Autodesk 3DS MAX is used for animation and also Autodesk Maya is used for animation besides this Rhinoceros with its VRAY Plugin is used.
it's modern animation, but either way it looks stupid. be mature.
cinema 4d is an computer animation software. it is used for animation and many other use. its used by professionals and used in professional computers.
Web Graphics 3 Web Animations computer animation software will do that.
The Computer Animation Production System, short for CAPS, was the animation program software system used for The Lion King. It was used to digitally ink-and-paint the film and insert computer animation into the hand drawn animated film as seen in the wildebeest stampede.
Poser 7 software is used for 3D figure design and animation. It helps create 3D human art for web, print media, illustrations, flash animation and games.
I would say look into Adobe Design Suite.