This plugin allows you to add an expiry date to non-admin users in Craft CMS. A user attempting to login past the expiry date will have their account status set to suspended and refused login.
Download & unzip the file and place the expireusers directory into your craft/plugins directory
Version 0.1.1 - Prevented expiry date being set on admins
Version 0.1.0 - I know it's not perfect but you gotta start somewhere right!?