The best alternative to Spine is Inochi Creator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Spine and six of them are so hopefully you can find a suitable replacement. Other interesting alternatives to Spine are enve, Expressive Animator, Marionette Studio and PixelOver.
Inochi creator is a framework for realtime 2D puppet animation. On this site you can find the reference implementation as well as the official tooling for creating and using Inochi2D puppets for VTubing.
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.
The premier editor for SVG animations. Create interactive SVG animations that run anywhere without plugins, players, or JavaScript code embedded.
Expressive Animator is the most popular commercial alternative to Spine.
Marionette Studio is a great software, powerful, easy and very intuitive to create 2D animations, characters for video games and more.
Marionette Studio is the most popular Web-based alternative to Spine.
PixelOver is a layer-based, pixel art software providing a suite of highly specialized tools for pixel perfect transformations, color adjustments and palette indexing, keyed animations and much more.
Kenney Studio is an easy to use tool to create game sprites using various pre-made objects. Each object has unique options and without any artistic skill you can create a wide range of sprites.
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