Preact is an attempt to recreate the core value proposition of React (or similar libraries like Mithril) using as little code as possible, with first-class support for ES2015. Currently the library is around 3kb (minified & gzipped).
Preact is a tool in the UI Components category of a tech stack.
No cons listed yet.
What are some alternatives to Preact?
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technology stack, it's easy to try it out on a small feature in an existing project.
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets you use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. It automatically synchronizes data from your UI (view) with your JavaScript objects (model) through 2-way data binding.
It is a library for building interactive web interfaces. It provides data-reactive components with a simple and flexible API.
unistore, Proppy, Moveable, JSFiddle, React and 7 more are some of the popular tools that integrate with Preact. Here's a list of all 12 tools that integrate with Preact.