Trang converts between different schema languages for XML. It supports the following languages:
* RELAX NG (XML syntax)
* RELAX NG compact syntax
* XML 1.0 DTDs
* W3C XML Schema
This editor is designed to edit souce code files in a textarea. The main goal is to allow text formatting, search and replace and real-time syntax highlighting ...
JavaScript Lint based on the JavaScript engine from Firefox ... check JavaScript syntax, examine coding techniques, and warn against questionable practices. Has online and dowloadable versions you can run from your IDE or CLI.
Run PowerShell as the internal shell within Emacs. Note: there's a good link on here to a PowerShell script syntax file, and lots of .net-related emacs content...
The Microsoft code name "M" language is a declarative language for working with data and building domain models. "M" lets users write down how they want to structure and query their data using a textual syntax that is convenient to both author and reader.
"Textile.NET is, surprisingly, a textile formatter for .NET projects. Textile is a "human web text generator" (http://www.textism.com/tools/textile/) that is useful for rapid web writings such as Wiki syntax or blog articles"
JTidy is a Java port of HTML Tidy, a HTML syntax checker and pretty printer. Like its non-Java cousin, JTidy can be used as a tool for cleaning up malformed and faulty HTML. In addition, JTidy provides a DOM interface to the document that is being processed, which effectively makes you able to use JTidy as a DOM parser for real-world HTML.
SharpKit enables web development teams to take advantage of C# and Visual Studio benefits such as compile-time syntax verification, code-completion, XML documentation and refactoring. Many developers prefer this managed code environment versus the expensive and error-prone world of JavaScript programming.
Build-time error reporting, refactoring and code completion in Visual Studio
Extended JavaScript syntax power with C# language features
Pure client-side control library coded in C#
AvalonEdit is the WPF code editor control for SharpDevelop 4 -- I'm thinking about trying to add PowerShell syntax to get it to work as a code editor for PoshConsole...