Shell.NET is a set of console and winform applications written in C#. It features nearly 100 applications ranging from classical Unix applications like basename, cal, grep, tr, uniq, and wc, to some very unique tools like RunScript or TextTransform.
JaguiD is a Java GUI for DOS. It consists of several sub-projects including a Java Compiler, a Class Runner and a Jar Packager. JaguiD has limited Java support to provide a Graphical User Interface for DOS and compatibles.
Babya System is a free shell replacement that is Windows XP compatible and easy to use. It has many useful features-like Babya Discoverer, which has automatic popup ad blocking, and easy access to Windows Control Panel applets.