Atom vs CodePen: What are the differences?
What is Atom? A hackable text editor for the 21st Century. At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file. Atom is modern, approachable, and hackable to the core. We can't wait to see what you build with it.
Atom and CodePen are primarily classified as "Text Editor" and "Cloud IDE" tools respectively.
Atom is an open source tool with 49.5K GitHub stars and 12.4K GitHub forks. Here's a link to Atom's open source repository on GitHub.
According to the StackShare community, Atom has a broader approval, being mentioned in 1096 company stacks & 4998 developers stacks; compared to CodePen, which is listed in 6 company stacks and 14 developer stacks.