Allow user to join group during registration
103814
Select organic group on the user registration form
77173
Adding co-authors after acceptance
101540
Multiple registration phases
135062
United Login for Stack Exchange sites which a Person has Signed Up
133916
Redirect anonymous users to the register page
91504
Ask a question and notify users on specific users list
102089
After adding a group, logout+login is not enough in 18.04?
12739
How to access all the public groups relatedto an user in apex
84439
Automatically create accounts in all sister sites
112705
How to join held Lists?
79522
How do I join a Windows Active Directory?
1291
I added a user to a group, but group permissions on files still have no effect
56561
How do I add myself into the sudoers group?
57220
How to add a "dummy" user to a board?
30528
Requesting an active user page
80639
How to assign players in MC to a scoreboard team automatically when they join?
147728
Follow activity of certain users