In Absalon you can organize you students in groups,so that students can share files, collaborate on an assignment and have groups discussions. In your course you can have different group sets, so the same student can be in one group (e.g. “Lab exercise week 1”) in one week and in another group (e.g. “Project work – subject XX”) the for next weeks exercise.
Here is an instruction on how to create and manage groups.
This is how the students view and work with groups in Absalon
See how the students view their groups in Absalon
See how the students join a group with self sign up