DrScheme description
DrScheme is an interactive, integrated, graphical programming environment for the Scheme, MzScheme

DrScheme is an interactive, integrated, graphical programming environment for the Scheme, MzScheme, and MrEd programming languages.

DrScheme runs under Windows (95 and up), Mac OS X, and Unix/X. Download DrScheme.

DrScheme provides source highlighting for syntax and run-time errors, support for multiple language levels, an algebraic stepper, objects, modules, a GUI library, TCP/IP, unicode, and much more. It includes an extensive, hyper-linked help system called Help Desk, available from the Help menu. The Tour of DrScheme describes many of these features in greater detail.

DrScheme is a tool that provides source highlighting for syntax.

You can enhance DrScheme with many add-ons, including MrFlow, a static debugger, and MysterX, which adds COM support under Windows. See also Dynamic Libraries.