From FCKeditor Docs

These pages summarize the ideas, concepts, motivations and specifications for the development of CKEditor 3.0 (code name V3). This is the repository into which converge the results of thoughts and discussions placed around our project. It's a place in tranformation, and you are invited to participate, making it move forward.

The Project

• About the Open Development Effort
• Project Contributors
• Development Methodology
• Rebranding
• License
• Funding and Sponsorship

Concepts and Macro Features

• (High) Performance
  
• Browsers Compatibility
• Accessibility
• Usability
• Standards
• Semantics
• Globalization
• Plugin Based
• Event Driven
• DOM Abstraction
• Memory Leak Free
• Semantics and Formatting = Styles
• Documentation
• Loading and Startup

Coding

• Namespacing
• Coding Style
• Coding Patterns
• Native Objects : Untouchable
• Testing

The User Interface

• Basic Structure
• Editing Area
• Source Area
• Toolbar
• Context Menu
• Elements Path
• Resize Handle
• Dialogs

Editing Features

• Undo and Redo
• Cut, Copy and Paste
• Bold, Italic and Underline
• Lists
• Links
• Images
• Block Formatting
• Styles
• ...

Other Features

• File Browser
• Spell Checker
• Debugging -- internal debugger (like FCKDebug)

Output

• Default XHTML
• HTML
• Other Formats -- non HTML

Customization

• Configuration
• Skins
• Plugins

Integration

• JavaScript API
• Ajax
• Server Side Languages and Platforms
• JavaScript Libraries and Frameworks
• Targeted Integration Efforts

Distribution

• Release Building (CKReleaser)
• Installation
• Compression and Minification
• Customized Distributions
• Assets Server / CDN
• Proxies, Caches and Updates
• Domain Relaxing
• HTTPS