Professional and intuitive UI editor.

• WYSWYG, artist-friendly.
• Complex UI components can be designed in the editor directly, no script required.
• Provided time axis to design UI transitions.
• Support for building and using sequence frame animation simply as a image.
• Support bitmap fonts by using BMFont or images.
• Powerful list component. Support virtual list and loop list.
• Support pixel hit test.
• Flexible publish strategy, support packing atlas automatically, support multiple atlas in one package.
• Multi language UI support.
• Provided scale strategy for different resolution.
• Stable and efficient.

Note: I didn't created this tool but I got the ok to submit this to CryENGINE Asset store.

https://www.fairygui.com/