Gradelink - Gradelink is a one-stop-shop system for K-12 schools. You can see grades, attendance, tuition, admissions and communication in one place.

Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Infinite Campus - Access your (or your child's) schedule, grades, assignments and attendance data using the...

LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys

Administrator's Plus - Cloud based student information management software

Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.