"XDYou" is a Free and Open Source personal data assistant for XDU students. This software is originally called "Traintime PDA". - Both undergraduates and postgraduates are supported. - View classtable with exam arrangement and experiment arrangement, also set your idol as the background. - View sport related data: sport class detail and test score. - Check your dorm's electricity balance and check your historical electricity usage. - View your grade, easily calculate GPA and average score by choosing the subjects. - View the exam schedule. - View the due time of the borrowed books and query the details of the books in the library. - View the bill you spent in the cafeteria, use the payment code if your card have money. - Empty classroom check. - Physics experiment schedule check and output it to iCalendar. - School forum Ruisi support. - Schoolnet Query. - Attendance Query. - Homepage arrangement notice widget. - i18n support with Traditional Chinese and English. - iLife789 support - Notice before class. If you got some idea about it, contact me freely.