EranSch

Allow WordPress administrators to masquerade as other users on their site. Adds a dropdown select box to the admin bar as well as individual links in the dashboard’s user view. WP Masquerade also allows the user to revert back to their previous session for easy return to the admin user.
Thanks to JR King (castle-creative.com) for the initial development of the plugin was forked from.

WP Masquerade

Allow WordPress administrators to masquerade as other users on their site. Adds a dropdown select box to the admin bar as well as individual links in  …

jrking4

This plugin adds an option to the User List in the admin area where you can click “Masquerade as User”, you will be automatically logged in as that user and redirected to the home page.

Masquerade

Adds a link to users.php that allows an administrator to login as that user without knowing the password.

WP Masquerade vs Masquerade