eXist is a native XML database featuring efficient, index-based XQuery processing. It provides a complete ecosystem for building applications entirely based on XML, XQuery, and related standards. The high-performance XML database engine stores textual or binary data and documents without requiring a database schema. Using XML across all layers makes mapping technologies superfluous and increases productivity. A browser-based IDE and a standardized application packaging system help developers get started quickly.
BaseX is a light-weight, high-performance, and scalable XML database system and XPath/XQuery processor, including full support for the W3C Update and Full Text extensions. An interactive and user-friendly GUI frontend gives you great insight into large XML data instances. It is platform independent and works out of the box.
betterFORM is an implementation of the W3C XForms 1.1 Recommendation. It allows easy creation of highly dynamic Web 2.0 user interfaces with attractive controls and layout. You can add validations, calculations, actions, and events to build complete Web applications in a declarative way.
Java XML XPath - Eclipse Templates is a set of 24 Java editor templates for easily working with XML documents in Eclipse. It lets you just type XML in any Java editor and select what you want to do with the XML document. It uses the DOM parser provided with the JDK, so there is nothing more to install. Instructions, templates, and examples for using XPath are included along with three cheat sheets for working with the DOM and XPath.
xslbook is an XSLT applet to display a book-style document in a Web browser that supports XSLT. xslbook transforms XML files created by users into HTML documents with an XSLT engine built in Web browsers. It can display HTML documents in Web browsers directly without other transformation tools. It has an automatic numbering function for chapters or block elements, an automatic generation function for table of contents and navigation links, a data operating function for other XML files, keyword search, and so on. It is a sub-project of xslet.
xslhtml is an XSL library to display (X)HTML in XSL applets. This library contains the function not only to display HTML elements simply but also to append attribute values in form of elements. It also contains custom tags to display HTML elements easily and conveniently. xslhtml is a subproject in the xslet.sourceforge.net project.