1. 2D Skeletal Animation which can be done by softwares and frameworks like Spine, Dragon Bones and Unity Animator.
2. Spritesheet Animations which can be done by softwares like Adobe Animate (aka Adobe Flash) and Anime Studio.
3. There is another technology in which Animation that has been designed in some softwares like Adobe Animate, will transform to native animation format of target framework like Unity3D. GAF is one of these technologies.
Autodesk Maya, Autodesk 3Ds Max and Unity3D Animator are used for creating 3D character animations for 3D games.