Inferno - An extremely fast React-like javascript library for building modern user interfaces.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
w2ui - W2UI is a small JavaScript UI library with a complete set of widgets: layout, grid, sidebar, toolbar, tabs, fields, popup, utilities.
LightShot - The fastest way to take a customizable screenshot.