KompoZer

User-friendly WYSIWYG HTML editor for quickly creating and managing standards-compliant websites

Real-time collaborative text editor with syntax highlighting and easy sharing

Create and prototype dynamic websites with ease using professional tools

Lightweight code editor tailored for web designers, offering snippets, syntax highlighting, and project management

User-friendly text editor combining coding features and writing tools in a clean, customizable interface

Validate web pages with W3C standards directly from your browser, identifying HTML and XHTML errors

Beginner-oriented Python IDE with intuitive debugging tools and a clean, distraction-free interface