How to change login id without using another provider?
3652
How do I change my login provider(s)?
136967
Unable to Change Apple ID and password
68814
Changing wp login url without .htaccess
50328
Is it possible to change Android ID without root access nor factory reset?
20946
Use one password for administration and another for system login
113339
Use Windows Live ID, but login with a different password
58071
How to safely change username and hostname?
8807
How do I change my username?
140643
Is it possible to disable default login pages in community?
67715
How do I remove login credentials for a network location in Win7?
27095
Always logged in with OpenID, how do I create a password for my account?
21206
How to make password-less login work
45134
How to use OAuth only for login, not create account unless the user wants one
78657
Is there a generic link to your site profile that doesn't require your user ID?
54057
Switch Apple ID
15746
How do I enable auto-login in LightDM?
114068
Modifying the default user registration page