Looking for logging into the Salesforce Developer Sign In 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 Salesforce Developer Sign In site. After that you can login as usual with your login credentials.
https://login.salesforce.com/%3Flocale%3Des
https://developer.salesforce.com/signup
https://developer.salesforce.com/
https://developer.salesforce.com/auth/login
https://developer.salesforce.com/forums/%3Fid%3D9060G0000005na4QAA
https://www.youtube.com/user/DeveloperForce
https://www.linkedin.com/showcase/salesforce-developers
https://www.cirrusinsight.com/support/gmail/why-do-i-see-an-unable-to-sign-in-to-salesforce-message
https://trailblazercommunitygroups.com/events/details/salesforce-farmington-mi-developers-group-presents-salesforce-apex-hours-azure-active-directory-seamless-single-sign-on-with-salesforce-online/
https://salesforce.stackexchange.com/questions/66525/developer-account-stuck-in-limbo-cant-login
https://force.desk.com/customer/en/portal/articles/2643793-trailhead-profile-signup-login-faq%3Fb_id%3D13478
https://onlinehelp.tableau.com/current/server/en-us/config_oauth_sfdc.htm
https://workbench.developerforce.com/