[staktrace]

At one point Mozilla was working on a flash reimplementation - http://mozilla.github.io/shumway/ - not sure of the current status but it's a good place to start looking.

[NikolaeVarius]

I'm pretty sure shumway is dead judging from bugzilla and lack of activity in that repo

https://bugzilla.mozilla.org/describecomponents.cgi?product=...