Easily tracks user login with a set of multiple attributes like ip, login/logout/last-seen time, country, username, user role, browser, OS etc.
Show a users last login by creating a sort-able column in your users list.
WP Last Seen displays a widget in front end with information regarding when was the last time a member has been seen online.
Show title and links to the last 5 posts a user has consulted.
CSFD (ČSFD) Last Seen plugin adds a widget, which shows the last X movies rated on CSFD.cz (Czech-Slovak movie database).