The best replacement for as3 is as2.

The best alternatives to as3 are rated as following:

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Speaking about as3, one probably shouldn't forget about preloader.

Other search terms related to as3 and their ratings are:

★★★★★	preloader
★★★	as2

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Scale is based on the average worldwide traffic of as3 in all years. Click on graph for more.

as3

as2

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