myGradebook
According to The Learning Network Inc., myGradebook.com is "a web-based teacher gradebook useful in enhancing communication between teachers, students and parents in all levels of education. myGradebook.com allows teachers to log in and work on their gradebook at any time from any computer connected to the Internet. When you assign passwords to students and parents, they can log in to view their own grading and attendance summaries. With myGradebook.com you can track, calculate, and report grades and attendance securely over the Internet."