To convert an application which uses ActiveX controls to a browser independent application

I am given an application which uses ActiveX controls and communicates with COM components and makes a video call.

As it works only in IE i am asked to convert the application into a browser independent one(which implies support more number of browsers).

Can anyon开发者_JAVA百科e suggest me what any useful alternatives? (The application is used to make video calls and it uses spark)

Someone suggested me firebreath framework. Is it useful?

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Look at FireBreath; FireBreath plugins act both as ActiveX controls and NPAPI plugins, so if you port to FireBreath it will work everywhere.