Its a fact, Flash is dead, but there is still a need for the kind of animated diagram that made Flash so ubiquitous.
Enter HTML5 and Adobe Animate while being more aimed at the traditional animation community, it can still be used very successfully for animated infographics or diagrams. Where the user can navigate complex data structures with ease.
Here is an example of what can be achieved. The OU tasked us with creating an interactive diagram to help promote their Enhanced Employability & Career Progression program.
If your interested in something like this, then get in touch.