GREUtils is simple and easy use APIs libraries for GRE (Gecko Runtime Environment) XULRunner / Firefox.

It provides:

• Object extend function
• include / include_once specified URL script.
• XPCOM utilities
• Charset Convert
• Preferences Services
• File IO
• Dialog utilities
• Controller and CommandDispatcher Helper
• Cryphto Hash Utilities – md5 / sha1 /sha256
• JSON encode / decode use XPCOM implemented
• Threading – Native Multi-Threading support

API References: http://greutils.googlecode.com/svn/trunk/jsdoc/index.html