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: Pyjs is a rich web application framework for Python that allows Python to be compiled into JavaScript. It enables writing client-side web applications in Python that can run in any JavaScript-enabled browser without plugins.
Type: software
Pricing: Open Source