One of the most popular alternatives to Spine is Synfig Studio, which is free and open source. Other popular alternatives are Inochi Creator, enve, Expressive Animator and Live2D Cubism. You can choose from more than 10 Animation Makers like Spine for Windows, Mac, Linux, the web and Chrome OS.
Open-source 2D software for creating animations with vector and bitmap artwork, advanced bone rigging, tweening, timeline editing, onion skinning, multi-layer effects, audio sync, and multi-format rendering on Windows, Linux, and macOS.
Russia
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.
Denmark
EU
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.
PolandEU
Create interactive SVG animations with precise keyframe and easing control, custom vector paths, shape and text editing, gradients, masks, boolean operations, blend modes, snap, grid, advanced export options including Lottie, GIF, and no JavaScript required.
RomaniaEU
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.
Japan
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.
Japan
Spriter : an intuitive 2D animation tool for video game makers.
Spriter enables the “modular” method of animating where, instead of each frame being a single complete image, it is constructed from many small, re- useable images (such as body parts). Each of these images that ar.
United States
Marionette Studio is a great software, powerful, easy and very intuitive to create 2D animations, characters for video games and more.
RomaniaEU
This software is used to create fluid and natural animation to 2D graphics, easily allowing the user to use secondary animation to make it look more natural.
E-mote is an engine which can create smooth and stereoscopic animation in a few steps from the character's 2D illustration. You can easily and dynamically move the expressions, orientations, limbs of standing pictures characters and make it look 3D.
