Tamino
- XML server from Software AG for storing, managing, publishing and exchanging XML documents in their native format. Product overview, features, news, and developer information.
- http://www.softwareag.com/corporate/products/tamino/

Xentric Server
- Delivering application, messaging, and connectivity support to collaborative applications, this product is intended to develop and deploy XML projects rapidly with minimal effort.
- http://www.intisoft.com/index.phtml?scp=soln_xserver

Microsoft BizTalk Server
- Business process integration platform that supports building XML schema, schema transformation, establishing trading partner relationships over the Internet, and tracking and analyzing data and documents that are exchanged. By Microsoft Corporation.
- http://www.microsoft.com/biztalk/

XML Apache Project
- The goals of the Apache XML Project project are to provide standards-based XML solutions that are developed in an open and cooperative fashion.
- http://xml.apache.org

OpenWDDX
- Home of the Web Development Data Exchange (WDDX) SDK and related projects. Site includes news, articles, downloads, mailing lists, forums, links.
- http://www.openwddx.org/