[Akkuma]

Have you seen or used https://github.com/Popmotion/popmotion/? These both seem fairly similar, both small libraries with a lot of overlap.

[Ameo]

Popmotion minified is over 45kB, almost 8x as large as Anime.js.

[Akkuma]

I guess their frontpage

>Popmotion is a lightweight 12kb JavaScript motion engine that makes creating engaging user interactions quick and simple.

Is slightly outdated now