Free Spine Alternatives
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.
- - enve is the most popular Windows & Linux alternative to Spine.
- - enve is the most popular Open Source & free alternative to Spine.
Synfig is a free and open-source, industrial-strength, vector-based 2D animation app designed for producing feature-film animations. It eliminates the need to create animations frame by frame. It is available for Windows, Linux, and macOS.
- - Synfig Studio is the most popular Mac alternative to Spine.
Synfig Studio Features
Comments about Synfig Studio as a Alternative to Spine
you can't get it into games and it isn't a runtime4
You can't make game animations in Synfig Studio, only animation clips and animation movies5
Synfig isn't bone-based 2D animation-2
DragonBones has a skeletal animation design panel named "DragonBonesDesignPanel" and a 2D skeletal animation library based on ActionScript.
Comments about DragonBones as a Alternative to Spine
It has a pretty similar UI and feature set. It can also export projects as Spine files to be used in your games (unfortunately it exports Spine data only as .json files and not as binary .skel, but it's still pretty nice).2
AnimeEffects is a 2D keyframe animation tool based on deformation of polygon meshes. You can easily operate, quickly shape your idea, and remake at any time if you have changed your mind.
Expressive Animator is a cutting-edge, keyframe-based vector animation software, uniquely tailored for crafting captivating animated SVGs, with optional raster and video export formats for your vector motion graphics needs.
- - Expressive Animator is the most popular Web-based & SaaS alternative to Spine.
Expressive Animator Features
Live2D is the world's first drawing technology to enable 3D rendering of 2D images. This technology supports a variety of portable consoles and smartphones, and Live2D is already being utilized for games that take advantage of the unique characteristics of hand drawn artwork.