Uppload is a better JavaScript image uploader. It’s highly customizable with 30+ plugins, completely free and open-source, and can be used with any file uploading backend.

Hybrids is a UI library for creating Web Components, which favors plain objects and pure functions over class and this syntax. It provides simple and functional API for creating custom elements.

Sal (Scroll Animation Library) is written with aim to provide performant and lightweight solution for animating elements on scroll. It's based on the Intersection Observer, which gives amazing performance in terms of checking the element's presence in viewport.