.NET Reflector is a very well-known and leading .NET program decomcompilation tool (also runs as a Visual Studio addon), developed by Red Gate Software from Australia (originally written by Lutz Roeder, a Microsoft employee). Its main function is to decompile C#, Visual Basic and IL programs into assembler programs (mainly the .NET source code) for viewing, analyzing and debugging.

SmartDraw describes itself as one of the most popular commercial mind mapping software in the world. It takes a completely different approach for fast charting, focusing on the end result of charting rather than the process. It enables everyone to draw various types of diagrams with professional level and high quality in an easy and efficient way. In the area of mind mapping, diagram drawing, SmartDraw makes things easier.

Nowadays a lot of people are keen to make presentations on computer to express their ideas. For example: teacher uses PPT and Flash to make courseware, financial staff uses it to show reports, designer demonstrates conception, and so forth. But presentation based on slideshow is missing the interaction and convenience of the traditional blackboard/whiteboard, which leads to such a bad result that both lecturers and audiences can only passively march forward following the scheduled architecture. This seems to be efficient, but is actually not as free and flexible as "a piece of paper + a pen".