Looking for logging into the Sourcetree Github 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 Sourcetree Github site. After that you can login as usual with your login credentials.
https://community.atlassian.com/t5/Git-questions/I-can-t-connect-to-Github-from-Sourcetree/qaq-p/30851
https://community.atlassian.com/t5/Sourcetree-questions/GitHub-login-keeps-popping-up-in-SourceTree/qaq-p/745182
https://confluence.atlassian.com/get-started-with-sourcetree/connect-your-bitbucket-or-github-account-847359096.html
https://community.atlassian.com/t5/Sourcetree-questions/Can-t-login-to-GitHub-with-Source-tree/qaq-p/958155
https://stackoverflow.com/questions/48938235/cant-login-to-github-from-sourcetree-anymore
http://modulesunraveled.com/very-basics-git/connecting-sourcetree-your-github-account
https://www.sourcetreeapp.com/
https://superuser.com/questions/1324772/log-in-to-github-through-sourcetree-no-longer-works-when-repository-settings-wer
https://github.com/GSoft-SharePoint/Dynamite/wiki/Getting-started-with-SourceTree,-Git-and-git-flow
https://mseeeen.msen.jp/requires-github-authentication-many-times-with-sourcetree/
https://clburlison.com/github-two-factor-authentication/
https://medium.com/@siddhartha.ng/github-gitlab-with-2fa-sourcetree-ssh-bd71a8156d72
https://www.smartninja.at/blog/how-to-use-git-with-sourcetree-1463228948177