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 1st while Demina is ranked 14th. 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 Waffle issue trackers to help plan and prioritize feature additions.
Pro Price high for this product
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 Spine Professional is expensive
Spine Essential includes nearly all features, except IK, weights, and meshes. Spine Professional is expensive, though it does give all future updates for life (Spine is updated very often).
Con Doesn't support gamemaker 2.3
Con No integration for lesser known engines
Spine does not directly support some game engines, such as Construct 2 or Clickteam Fusion.
Con No longer under development
The most recent update to Denima occurred in October 2012.
Denima's runtime library is intended to integrate with the XNA framework, which has been unsupported since April 2014.