Tree-mode and text-mode XML editor with color-coding. Can read DTDs and many types of schemas to enhance editing. Built-in support for Cocoon sitemap files, Ant build files and XML Schemas. [Open Source, BSD-like]
Java Swing-based XML editor that analyzes a given XML schema and then generates a document-specific graphical user interface. Generic XML configuration tool. Generic schema-driven data-entry form. [Open source]