Enve is a free and open-source 2D animation app. It can create both vector and raster animations and even use sound and video files. It has been created with flexibility and expandability in mind.
Friction is a powerful and versatile motion graphics application that allows you to create vector and raster animations for web and video platforms with ease.
Procreate Dreams is an all-new animation app packed with powerful tools that anyone can use. Create engaging hand-drawn animations, motion graphics and enhance them with photos, videos and sound.
Storyboarder makes it easy to visualize a story as fast you can draw stick figures. Quickly draw to test if a story idea works. Create and show animatics to others. Express your story idea without making a movie.
ToonSquid is a comprehensive 2D art and animation studio for iPad, merging traditional hand-drawn and automatic keyframe animation, with features including customizable brushes, a flexible layer system, animated text, vector shapes, and more.