A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
ProQuiz is a Professional Quiz Maker Software capable of Generating Quizzes of all types by simple user interface. Its easy to use User interface makes it stand apart from other softwares in this category.
powermem is an application to assist the user in memorizing collections of facts. It is fast, easily extensible (using Python), supports importing from external data sources such as dictionaries, and provides detailed stats so the user may chart progress.