SmoothMoves
SmoothMoves is Unity3D middleware, available on the Asset Store.
21 Alternatives To SmoothMoves
2D Toolkit
2D Toolkit is packed with features for 2D game development in Unity. The plugin supports many third party formats to integrate into the Unity engine.
Adobe Animate (formerly Flash Professional)
An animation tool that used key frame animation for games and movies.
Animation Paper
Animation Paper is a software package for doing 2D animation.
AnimeEffects
AnimeEffects is a 2D keyframe animation tool based on deformation of polygon meshes.
Creature
Creature 2D Skeletal and Mesh Animation Tool
Grafx2
GrafX2 is a bitmap paint program inspired by the Amiga programs Deluxe Paint and Brilliance.
Keynote
Keynote for Mac, iOS, and iCloud lets you make dazzling presentations. Anyone can collaborate — even on a PC. And it’s compatible with Apple Pencil.
Live2D Cubism
Live2D is the world’s first drawing technology to enable 3D rendering of 2D images.
Marionette Studio
Marionette Studio is an online animation software for beginners and professionals. Animate 2D characters and environments in minutes with no prior skills.
Moho
Moho is a tool that create animation from start to end, it has a 2D rigging system of the market and mix it with traditional animation tools to make amazing, professional animations.
OpenToonz
OpenToonz is an animation program that is a free software version of Toonz, the animation software…
Sprite Something
Sprite Something is an iOS drawing, animation and tilemap application for pixel artists and game developers.
Synfig Studio
Just another WordPress site
enve
A new open-source 2D animation software for Linux.