ramon fincken

Auto sets the more tag to post title if no custom text has been set. 
 Auto text is customizable using mp_auto_more_more_link_readmore filter in the Premium version: 
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MP Auto more tag

Auto sets the more tag to post title if no custom text has been set.

pluspt2001

Show Hide Centent plugin hides your content behind a Read More button. Your hidden content is revealed dynamically on the same page on clicking the readmore floating button.
What does it do
<ul>
<li>Floating readmore button over your hidden text or text and images both.</li>
<li>Pressing readmore button reveals the content on the same page</li>
</ul>
How to Use and Install
<ul>
<li>Activate plugin</li>
<li>Go to the edit screen of a page where your data to be hidden is.</li>
<li>Go to visual tab</li>
<li>Select the content you want to conceal behind a readmore button</li>
<li>Click on the orange button on the editor window. And you are done , the shortcode will wrap around your text.</li>
<li>Do the same for all your content that needs to be hidden.</li>
<li>once done. Save, publish and you are done !</li>
</ul>
About
The Show Hide Centent plugin is maintained by http://wordpresshowtos.blogspot.com/2015/10/show-hide-content-plugin.html

Show Hide Content

Show Hide Content plugin hides your selected content behind a Read more button.

MP Auto more tag vs Show Hide Content