The development of this software has been a collaborative effort over more than ten years. Those who have contributed in significant ways include the following:

Author David Porter
Programmers David Porter, Jianming Cheng
Vocals Lani Wang
Lexicographers Jessica Kwon, Min Li, Jesse Schniedewind, James Wang, Lani Wang, Yang Ye, Lingling Zhao
Linguistic Consultants Jing Jiang, Erik Mueggler, David Rolston, Lani Wang
Web Designer Tonya Howe

The author gratefully acknowledges partial funding support provided by the Center for Chinese Studies, the Center for Research on Learning and Teaching, and the College of Literature, Science, and the Arts at the University of Michigan.