DragonBones has a skeletal animation design panel named "DragonBonesDesignPanel" and a 2D skeletal animation library based on ActionScript.This app doesn't have any features at the moment.
DragonBones vs Spine opinions
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).
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 vs Spine opinions
Synfig isn't bone-based 2D animation
you can't get it into games and it isn't a runtime
You can't make game animations in Synfig Studio, only animation clips and animation movies
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.
Create beautiful 2D motion graphics and vector animations for any platform in matter of minutes.
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.
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.This app doesn't have any features at the moment.
Spriter vs Spine opinions
Far more affordable, however lacking in mesh functions.
Rubber Hose is an After Effects tool for animation rigging. Connect layers from Illustrator and Photoshop into two new stretchy rigs – RubberPin and RubberRig. Style hoses unlike ever before. Major speed updates and key-frame baking let you work faster.This app doesn't have any features at the moment.