A refreshing JavaScript Datepicker. Lightweight (less than 5kb minified and gzipped), no dependencies (but plays well with Moment.js), modular CSS classes for easy styling.

Choices.js is a lightweight, configurable select box/text input plugin. Similar to Select2 and Selectize but without the jQuery dependency.

Anime.js is a lightweight JavaScript animation library with a simple, yet powerful API. It works with CSS properties, SVG, DOM attributes and JavaScript Objects.