animation - Video/Animated GIF advanced frame editor? - Super User

What sort of application could I use for example if I had a 5 minute video or an animated GIF with 50 frames, and I wanted to basically Photoshop replace an object, say a person's head, with another

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, free download for Windows. Software tool that allows users to create animated GIFs from images, with various animation effects and options.

Advanced GIF Animator

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Text Animations: Free online text animation maker