1)   NeoScripter Code Editor & Scripting IDE 1.0
A powerful code editor packed with code snippets, controls, and scripts that make development easier with support for multiple languages including ASP, ASP.Net, VBScript, XML, XLST, Perl, PHP, Cold Fusion, and more!
HTML Editor, Code Editors, Script Editors, VB.Net, Java Editor, ASP.Net Editor, PHP Editor, Perl Editor, VBScript Editor, JavaScript Editor,

 2)   oXygen XML Editor and XSLT Debugger 7.1
Oxygen is an XML Editor and XSLT Debugger in Java. Can validate XML, XSD, RNG, DTD, NRL, Schematron and XSL. Features XSLT transformation, Unicode support, FOP support, browser preview, automatic DTD generation, code insight and outliner.
XML editor, XSLT editor, XSLT debugger, XQuery Debugger, XML, XSL, DTD, XML Schema, XSD, RNG,

 3)   Alchemist XML IDE Standard FREEWARE 3.0
Alchemist XML IDE, is a free advanced XML Integrated Development Environment (XML IDE). Alchemist adds powerful new features, again pushing the innovation envelope that helped establish Alchemist in the market.
XML, XSL, XSLT, XPATH, XSLT Debugger, Code Generator, PL/SQL, PHP, Oracle, MySQL,

 4)   Alchemist XML IDE Professional Free Edition 3.0
Alchemist XML IDE, is a free advanced XML Integrated Development Environment (XML IDE). Alchemist adds powerful new features, again pushing the innovation envelope that helped establish Alchemist in the market.
XML, XSL, XSLT, XPATH, XSLT Debugger, Code Generator, PL/SQL, PHP, Oracle, MySQL,