CygnusH33L

Plugin for restricting posts from public view that are posted in a category called ‘private’, Does this by requiring the user to be logged in to view.
To use just create a category called ‘private’ then any posts posted into this category will be hidden from public view (not logged in users).

Post Restrictor

wp.insider

smp7

This addon allows you to customize the content protection message that gets output from the membership plugin.
You will be able to specify your custom messages for different types of protection message.
This addon requires the <a href="https://wordpress.org/plugins/simple-membership/" rel="ugc">Simple Membership Plugin</a>.
After you install this addon, go to the “Custom Message” menu from the admin dashboard to use it.
Read <a href="https://simple-membership-plugin.com/simple-membership-custom-messages-addon/" rel="nofollow ugc">Usage Documentation</a>

Simple Membership Custom Messages

Simple Membership Addon to customize various content protection messages.

Post Restrictor vs Simple Membership Custom Messages