Looking for logging into the Laravel 5.3 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 Laravel 5.3 Username site. After that you can login as usual with your login credentials.
https://laracasts.com/discuss/channels/general-discussion/login-by-username-in-laravel-53
https://laracasts.com/discuss/channels/code-review/login-with-email-or-mobile-or-username-in-laravel-53?page=1
https://laravel.com/docs/5.7/authentication
https://laravel.com/docs/5.0/authentication
https://stackoverflow.com/questions/40232971/how-to-login-with-username-in-laravel
https://daveismyname.blog/laravel-53-login-with-username-instead-of-email
https://laravel.io/forum/10-29-2016-how-to-login-with-username-or-email-or-both-and-password-in-laravel-53
https://laraveltips.wordpress.com/category/user-registration-and-login-in-laravel-5-3/
http://miftyisbored.com/a-complete-laravel-5-3-tutorial-for-user-authentication-with-activation-email/
https://medium.com/@mshanak/solved-tutorial-laravel-5-3-disable-enable-block-user-login-web-passport-oauth-4bfb74b0c810
https://github.com/Mifty/Laravel-5.3-User-Authentication-with-Activation-Email-and-Custom-Notifications
https://codeburst.io/using-ajax-user-login-in-laravel-5-3-5-4-5-5-5-6-d4e30b47985f
https://auth0.com/blog/creating-your-first-laravel-app-and-adding-authentication/