WP Single Sign On (SSO)

Connect multiple non-multisite WordPress sites together to share logins. This plugin is useful if you want to allow users from one WordPress site to log into another WordPress site. While this can be achieved with WordPress Multisite, sometimes you'd rather keep the sites as individual WordPress installations. This plugin should be installed and activated on both the "host" and "client" sites. The host site is the main site where users will already have accounts. There should only be one site configured as a host. There can be multiple client sites pointing to the same host. When someone tries to log into a client site, if the provided username and password doesn't work, the plugin will attempt to connect to the host site with the same username and password. If that authentication works, then either a new user is created on the client site or the password of the user on the client site is updated. New users are given the default role on the client site. This role should be "Subscriber