Comprehensive tools for XML

For web developers, the Oxygen XML is an XML Editor and XML Author containing a comprehensive set of tools supporting all the XML related technologies -- you get a CSS driven Visual XML editor April 27, 2010

Edit tabular data on the Mac

Here's a tabular data file editor tool for Mac OS X that is an inexpensive, lightweight, fast, flexible, and powerful delimited tabular file editor. It is perfectly suited for working with tabular files, such as comma-sparated-value or tab-delimited formats. December 29, 2009