Lottie by Airbnb - Easily add high-quality animation to any native app
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Spirit - The animation tool for the web.
JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
Haiku Animator - Create powerful animations for any app or website
PHP - A popular general-purpose scripting language that is especially suited to web development