What services/programs can be used to create complex html5 animations (canvas, svg)?

Question

css

It is necessary to make an html5 animation of a growing tree.
Interested in whether there is now an editor or a service that allows you to make complex animation, not just transformation and work with primitive shapes, but with a set of tools close to adobe flash.
For example like here:
summelsurium.de

Answer 1

Well, Adobe Flash Professional can render you html5+canvas output

Answer 2

try NanoFL