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...
Inferno - An extremely fast React-like javascript library for building modern user interfaces.
ScreenToGif - This tool allows you to record a selected area of your screen and save as a animated gif.
Glimmer - Fast and light-weight UI components for the web
recordit.co - Make a short video capture of your desktop as a gif.