Google Web Designer - Google Web Designer is a free, professional-grade HTML5 authoring tool. Build interactive, animated HTML5 creative, no coding necessary.
JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
Adobe Animate - Adobe Animate is a Flash, vector animation software.
CKEditor - Real-time collaborative future-ready rich text editor
SWiSH Max - SWiSH Max is a Flash creation tool that is commonly used to create interactive and cross-platform...
Qt - Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.