CodePen

CodePen allows developers to create and showcase front-end code snippets. It's a great platform for learning and collaboration.

Key Features

• Real-time code collaboration
• Live preview of code changes
• Extensive library of community-created pens
• Customizable editor settings
• Integrated asset hosting
• Social sharing options

Pros

• User-friendly interface
• Strong community support
• Great for quick prototyping
• Supports multiple preprocessors
• Free tier available

Cons

• Limited project storage on free plan
• Some advanced features behind a paywall
• Exporting projects can be cumbersome
• Performance issues with very large projects
• No offline mode available