KompoZer is an open source WYSIWYG HTML editor based on the now-discontinued Nvu editor. KompoZer is maintained as a community-driven fork, and is a project on Sourceforge. Developed by Mozilla
License: Open Source
CodeLobster PHP Edition is a specialized IDE for PHP development with robust coding features, while KompoZer is a user-friendly WYSIWYG web authoring tool suitable for basic HTML/CSS projects. The choice between them depends on whether the user needs a powerful PHP coding environment or a simple visual editor for web design.