If you were relying on this plugin to connect your existing Facebook community to your WordPress, and you're looking for other options now that Facebook's plugin has been abandoned, why not move your community from Facebook onto your WordPress?

BuddyPress helps you run any kind of social network on your WordPress, with member profiles, activity streams, user groups, messaging, and more. Get it from https://wordpress.org/plugins/buddypress/, and find support at https://buddypress.org/support.