Looking for logging into the Username site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Username site. After that you can login as usual with your login credentials.
https://app.schoology.com/login/username
https://www.optus.com.au/shop/support/answer/my-account-username-password-help%3FrequestType%3DNormalRequest%26id%3D1382%26typeId%3D5
https://www.petanikode.com/codeigniter-login/
https://pi.pearsoned.com/v1/piapi/piui/forgot-unpw%3Fclient_id%3D51J4fZNlMiNpiqENQnbBtlOoCr5nljmb
https://support.pearson.com/getsupport/s/article/Retrieve-Your-Username-Login-Name-or-Reset-Your-Password
https://www.youtube.com/watch%3Fv%3D0DEWcwASJ_8
https://help.surveymonkey.com/articles/en_US/kb/How-do-I-change-the-username-email-address-on-the-account
https://www.alarm.com/getlogininfo.aspx
https://www.roblox.com/login/forgot-password-or-username
https://docs.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.login.username
https://dh.gs1us.org/
https://github.com/plataformatec/devise/wiki/How-To:-Allow-users-to-sign-in-using-their-username-or-email-address
https://community.atlassian.com/t5/Bitbucket-questions/How-to-login-Bitbucket-using-quot-username-quot/qaq-p/789515