X-Ray Mail Assistant 

X-Ray Mail Assistant is an email header filter and POP/SMTP server switching tool. It runs as a local POP/SMTP relay server and scans your incoming and/or outgoing mail.
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XD++ MFC Library Standard Edition V7.40 

XD++ Library for MFC by UCanCode.Net Software, an C++ class framework that provides your applications with a drawing surface for diagramming, symbol manipulation, drag and drop, scrolling, zooming, and many other graphics capabilities.
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XMLwriter XML Editor 

XMLwriter is a powerful XML editor for Windows designed to help web authors and web application programmers take advantage of the latest XML and XML-related technologies such as XSLT and XSD Schemas.
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XPlica for SharePoint Portal Server 2001 

XPlica is a simple utility to replicate workspace, folders from one SPS to another.
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XSL-FO Debugger 

XSL-FO Debugger is the software for visual debugging of XSL stylesheets. It is based on Altsoft Xml2PDF formatting engine. Distributed under the freeware license.
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Xselerator 

It's got everything an XSLT Editor should have plus a bit more like Intellisense and tag auto-complete! It's also half the price of XMLSpy... so it's great value. A 30 day free trial is available.
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