When comparing Spine vs Demina, the Slant community recommends Spine for most people. In the question“What are the best 2D skeletal animation tools?” Spine is ranked 2nd while Demina is ranked 8th. The most important reason people chose Spine is:
Ranked in these QuestionsQuestion Ranking
Pro Integration libraries support most engines
Pro Simplified UI allows for an easy learning curve
No-nonsense workflow allows you to create your artwork in programs much better suited for the task like Illustrator and Inkscape for example, while Spine itself focuses only on the important task of skeletal animation.
Pro Allows for easy use of artwork from third party programs
Spine's developers provide scripts which makes exporting artwork from third party programs much easier to do.
Pro Community-driven feature roadmap
Esoteric Software maintains public Trello boards to help plan and prioritize feature additions.
Pro Funded via Kickstarter
Spine received resounding support from Kickstarter backers, beating its pledge goal by over 5 times.
Pro Straightforward tutorials
Denima's user interface is very simple, and the primary documentation is a simple walk-through of the workflow.
Pro Open source
Demina is a C#/XNA application hosted on CodePlex under the Microsoft Public License.
Con Professional Edition is expensive
Essential edition includes nearly all features, but IK Weights and Mesh Animations are not included in the Essential Edition.
Con No integration for some major engines
Spine does not directly support several popular 2D engines, including Construct 2, Clickteam Fusion, and GameMaker Studio. Unreal Engine and CryEngine also have no native modules.
Denima's runtime library is intended to integrate with the XNA framework, which has been unsupported since April 2014.
Con No longer under development
The most recent update to Denima occurred in October 2012.