Found these two quite useful develop tools on asp.netPro magazine October issue.
AltovaXML from Altova (http://www.altova.com)
AltovaXML™ 2006 is an XML standards processor that includes engines that drive the award-winning Altova XMLSpy®, MapForce®, and StyleVision® development tools for use in your custom applications - royalty-free! AltovaXML™ 2006 is a single download that include the Altova:
 |
XML validating parser |
|
XSLT 1.0 engine |
|
XSLT 2.0 engine (schema-aware) |
|
XQuery 1.0 engine (schema-aware) |
AltovaXML™ 2006 includes COM, Java, and .NET interfaces so that it can be used from a variety of different applications, and you can also call its functionality from the command line. It is a free executable file available for royalty-free use in your applications.
Altova also has another pretty cool free tool, called XMLSpy 2006 Home Edition, an XML editor that makes XML editing technologies available in a FREE application ideally suited for hobbyists, entry-level developers, and students.
FusionCharts Lite from Infosoft Global (http://www.infosoftglobal.com)
FusionCharts Lite is a free charting component that you can download and use in your private and commercial projects. It contains six basic charts including Area, Bar, Column, Line, Pie and Pipe. Use with any scripting language and database!
Open source developers can redistribute this with their applications for FREE.