Janos Ver

This plugin will enable you to
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Create Reading Groups and associate them with users and private posts and private pages
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Once these users logged in they will see those private posts and private pages which you granted access to
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Publish your posts and pages to general public as usual
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Your users will not be aware (unless you tell them) of what Reading Groups they are part of (if any).
Translations
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Hungarian – Janos Ver (last updated for plugin v1.9)
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Czech – TomKom (last updated for plugin v1.9)
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WP JV Post Reading Groups

Thank you. Your work really saved me a lot of time. Thanks again

Very good

Easily create posts and pages visible only for selected users of your blog

rexreed

This plug-in is quite simple: it hides content from all users except those at a specified user level.
Alternatively, you can think of it as only showing content to users at a specified user level.
Utilization is quite simple, with the use of the tag [hide {level}] and the end-tag [\hide] as the way to encapsulate the hidden content.
Future revisions will utilize Role Manager options instead of user levels, so stay tuned.

Show User Level Content

This simple plug-in hides content from all users except those that exceed a specific user level.

WP JV Post Reading Groups vs Show User Level Content