lgils

When a user comes back to the site and reads a post, offer them the ability to share the article with their Facebook friends. This leads to more inbound traffic for you, and a faster, cleaner browsing experience for them.
After 1 week, it resets, and they have the option to share again.

SocialCurrency

Allow loyal readers to share articles with their Facebook friends in exchange for ad-free browsing!

Freitas Victor

Free social share buttons, share to Facebook, WhatsApp, Messenger, Twitter, Reddit and much more. 
Follow US buttons include with Widgets.
<blockquote>
If you like the plugin, feel free to rate it (on the right side of this page) or <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=KYRMWXEEQN58L" rel="nofollow ugc">donate</a>. I am very pleased to dedicate myself to this plugin. Thank you so much! 🙂
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Adds before, after the contents post or both
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Create a new table to store the sharing number of posts
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Store some options with the data that will be used to show, hide, stylize and remove specific buttons.
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The networks support are: – Facebook; – Twitter; – Linkedin; – Pinterest; – Thumbler; – Whatsapp; – Mailto; – Print Friendly; Telegram; Skype; Viper; – Reddit; – Gmail
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<h3>Thanks</h3>
Translators who did a great job converting the text of the plugin to their native language. Thank you!
<ul>
<li><a href="https://github.com/victorfreitas/" rel="nofollow ugc">Victor Freitas</a> (Brazilian)</li>
<li><a href="https://github.com/victorfreitas/" rel="nofollow ugc">Victor Freitas</a> (Spanish)</li>
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<a href="http://burzhu.net/" rel="nofollow ugc">Lily Ousborne</a> (Russian)
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Note: This is very important for all users worldwide. 
So please contribute your language to the plugin to make it even more useful. 
Translating validating in <a href="http://www.poedit.net/" rel="nofollow ugc">“Poedit Editor”</a>.
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WPUpper Share Buttons

Free social share buttons, share to Facebook, WhatsApp, Messenger, Twitter, Reddit and much more.

SocialCurrency vs WPUpper Share Buttons