Description: CodePen is an online code editor and front-end web development environment. It allows developers to easily create and share HTML, CSS, and JavaScript code snippets and projects.
Type: software
Pricing: Freemium
Description: Intercooler.js is a popular open-source JavaScript library for building reactive single-page applications. It allows adding AJAX functionality to a website without writing JavaScript callbacks, using HTML attributes and semantic HTTP requests instead.
Type: software
Pricing: Open Source