Stylus Studio
XML Copy Editor
Altova XMLSpy
Oxygen XML Editor
WMHelp XMLPad
Liquid Studio
XML Marker
XML ValidatorBuddy
Python Studio
PyCharm
IntelliJ IDEA
Stylus Studio
Python StudioXML Copy Editor - XML Copy Editor is a fast, free, validating XML editor.
PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...
Altova XMLSpy - The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Oxygen XML Editor - Oxygen XML Editor provides a comprehensive suite of XML authoring and development tools.
WMHelp XMLPad - WMHelp XMLPad is a professional XML document editor that you can use to create, edit, manage, and delete documents.