Attendance 
Add-ons related to Attendance (an activity module and an optional block).
Join the discussions about the Attendance add-ons in the Attendance forum.
block_attendance
This block works with the attendance module, it provides teachers with quick access to Attendance functionality, and provides students quick access to a summary report for their own attendance.
mod_attendance
A plugin that allows an attendance log to be kept. - includes an optional Block for easy access to relevant functions.