XMLSpear is a free XML editor. XMLSpear is a free XML editor with real-time validation.
It is easy to use, built in Java and available for all platforms. Experienced XML users will find several advanced, unique features e.g. the interactive schema resolving, the display of loaded schemas and the extensive XPath panel.

XMLSpear Features:
1. Xpath search panel (version 3.0)
2. XML catalog support (version 3.0
3. XSLT translations (version 3.0)
4. Full schema validation using DOM3 in Xerces 2.9.0
5. Tree editor for inserting, repeating (version 3.0) and deleting nodes
6. Real-time validation against schema or DTD while editing
7. Interactive resolving of schema or DTD locations
8. GUI component reflecting all loaded schemas
9. Test facility for correct proxy settings
10. GUI components reflecting the XML schema
11. Visual and textual feedback for errors
12. Support for multi-document view
13. Generation of complete XML documents from schema
14. Generation of schemas (DTD, Relax NG, W3C XML Schema) from xml instances (version 3.0)
15. Conversion between several schema types (version 3.0)
16. Opening and correction and even formatting of not-well formed XML
17. Unformat XML (while keeping cursor position in version 3.0) to filter out all the whitespace to shrink your file size
18. Checks xsd schemas for errors, in exactly the same way as normal xml files
19. Plug-In interface for extending functionality
20. Flexible encoding (character set) support during opening and saving files
21. Support for Unix and Windows text formats
22. Text editor for plain (unformatted) text is included.
23. Support for binary plist files (only avaible in the Mac Os version)
24. File viewer
25. Integrated text and HTML plugin
26. Import or export messages to MQSeries

You can extend the functionality by using plugins. Their are two types of plugins:
* ContentHandlers which can edit or browse certain file types (not released yet)
* Adapters that can import or export data to one of the contentHandlers.

XMLSpear is available as java web start application or as standalone application. If you use the webstart version, you will always have the latest updates.

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this text editor software.