Check out an animation creation suite for Mac. Generate key frame sequences in 2D and manage assets, custom items, and standardized elements according to the presentation requirements. Move, rotate, and scale objects, apply deformation options, change their opacity, etc.
AnimeEffects 1.3.4 for Mac can be downloaded from our website for free. The actual developer of this free Mac application is hidefuku. AnimeEffects for Mac relates to Design & Photo Tools.
From the developer:
AnimeEffects is a 2D key frame animation tool based on deformation of polygon meshes. The app provides various animation keys, such as Moving, Rotating, Scaling, Bone Deformation, Free-Form Deformation, Opacity, and Image Changing. You can import image files such as JPEG, PNG, GIF, and PSD for animation resources. For PSD, AnimeEffects supports layer clipping and many blending modes.
You may want to check out more software for Mac, such as Smith Chart for Mac, Movie2Shot or TVPaint Animation, which might be related to AnimeEffects.