Modders will then be able to use the custom template design by themselves or other people to add this new type of animation. 1 of the main features of Nemesis is able to accept custom behavior template. Nemesis on the other hand is an open source platform with a design aim to support any mod on the fly. An additional hardcoded feature offer by FNIS is adding new animation. Any changes to it will void your "right" to get help from him (personally think that's quite reasonable). FNIS is a patching tool that the version and structure of the tool is strongly controlled by Fore himself. You can call this a competitor against FNIS but both work very differently while achieving a similar result. Github's way to download the executable is just very not direct apparently =/ Ah, glad you found the correct way to download it. Well, first of all, its Nemesis Unlimited Behavior Engine.
Memes and gameplay stories do not contribute to this whatsoever.