Xmplify for Mac

From MOSO:

Xmplify is a powerful XML editor for Mac OS X. Although Xmplify is still in development, you can now download a Preview Beta release and let us know what you think. Xmplify provides a number of powerful features to make working with and manipulating XML simple and intuitive:

Fully XML-aware editing environment
Xmplify analyses your XML as you type, and maintains a rich set of meta-data so it can provide intelligent editing aids and suggestions according to your document's content and the current editing context.

See your document's structure at a glance
Xmplify provides an Outline view of your document that shows its structure, updated in real-time to reflect the latest edits.

Auto-complete XML based on its DTD or W3C Schema
Xmplify uses its knowlege of your document's current structure and its definition (DTD or W3C Schema) to provide intelligent auto-completion suggestions.

Automatic Schema derivation
If your document doesn't specify a DTD or W3C Schema Xmplify automatically derives one and seamlessly uses the derived schema for providing intelligent auto-completion suggestions. Xmplify updates the derived schema as you edit your document, so it can always offer accurate suggestions.

Automatic document verification
If your document specifies a DTD or W3C Schema, Xmplify automatically uses that to verify your document's content. The verification results are automatically kept up to date as your edit your document.

XSL transformations
Xmplify makes applying XSLTs and working with their transformations easy, and with Xmplify's Web Preview features you can easily check the output of XSLTs that produce (X)HTML.

Web Preview
Xmplify's Web Preview feature provides a preview of (X)HTML documents. Previews are automatically kept up to date as you edit your document.

Powerful searching by both XPath and Regular Expressions
Incremental search with regex support is built-in, and Xmplify makes it easy to run XPath queries and select matching nodes in your document.

Built from the ground up for Mac OS X
Xmplify is a native Mac app, designed and built from the ground up to leverage the power and elegance of Mac OS X.

View larger image