Looking for logging into the Secure Add On 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 Secure Add On site. After that you can login as usual with your login credentials.
http://add0n.com/secure-login.html
https://chrome.google.com/webstore/detail/secure-logins/mdhehldoibhbenfcnonmhfghbnfgbkpn
http://securelogin.mozdev.org/
https://alternativeto.net/software/secure-login/
https://wordpress.org/plugins/tags/secure-login/
https://wordpress.org/plugins/traitware-login-manager/
https://marketplace.atlassian.com/apps/1213472/secure-login-2fa-jira
https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/reviews/845670/
https://www.howtogeek.com/howto/internet/firefox/using-secure-login-in-firefox/
https://download.cnet.com/Secure-Login/3000-11745_4-10748163.html
https://addons.opera.com/en/extensions/details/intuitive-password-quick-login/
https://codecanyon.net/item/ucm-plugin-secure-login/16264982
https://www.cminds.com/secure-login-two-factor-authentication-wordpress/