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: RomUlation is an open-source integrated environment for 3D electronic design automation, simulation, and analysis. It features a graphical schematic capture and PCB layout suite, integrated circuit and system simulation engines, and visualization tools.
Type: software
Pricing: Open Source