Another gradebook you might be interested in is located at http://gradebookportal.com/
It is free and includes the following:
--Free Online GradeBook for teachers to easily customize. Build customized weighted grading from anywhere at anytime 24/7. Grade anytime & anywhere with auto calculation term and final grades
--Instant Progress Reports are intuitive and keep Students and Parents up to date
--Track attendance and alert parents on absentees
--Class Calendar keeps students, parents and teachers current on upcoming exams, meetings, events. Attach assignments, post homework and attach documents.
--Build user logic to send email and text messages based on grades and attendance parameters
--Communicate with all of your students and parents and build custom contact lists
--100% secure and safe environment with several layers of encryption