Social Locker – WordPress Plugin free download
Social Locker is a WP plugin that locks your most valuable site content behind a set of social buttons until the visitor likes, shares, +1s or tweets your page. It helps to improve social performance of your website, get more likes/shares, build quality followers and attract more traffic from social networks.
v.4.3.5 – 29 Mar 2016
FIXED: Facebook buttons. FIXED: A lot of minor bugs.