Floss Your Score - Have the backpack kid floss your SAT score
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Onemoreday App - Study coach app to prepare for exams
KanbanFlow - KanbanFlow is a Lean project management tool allowing real-time collaboration between team members. Supports the Pomodoro technique for time tracking.
OpExams - Design, print, grade and analyze your paper and online exams and quizzes
Meistertask - MeisterTask is an intuitive task management and collaboration tool.