Stefan Pejcic

plugins.club

This plugin will add new columns in the WordPress user list table, one column is for Registration Date and the other column is for Last Login. The last login column will display the time ago format or “Never” if the user has never logged in.
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User Registration & Last Login Time

Display registration date and last login time for users.

ymonica32

This plugin shows user’s last login time in backend. Can be useful for website admin. 
Plugin is tested upto wordpress version 4.9.1 and compatible with lower versions as well.

WP User Last Login

This plugin shows user's last login time in backend. Can be useful for website admin.

User Registration & Last Login Time vs WP User Last Login