Simon Goodchild

Requires BuddyPress.
Allows a page or post to display the most recently logged in members with how long since they last did any activity on the site. Options include showing a link to Private Message the member if logged in, the field to display as the members name and so on.
A live demonstration is available at <a href="http://www.blueflipperdiving.co.uk/" title="Where Scuba Divers Go Online!" rel="nofollow ugc">BlueFlipper Diving</a>
All options:
<ol>
<li>
To change the number of members shown (defaults to 5):
[hts-displaymembers count=10]
</li>
<li>
To change the displayed field (defaults to Display Name):
[hts-displaymembers count=10 display=user_nicename]
</li>
<li>
You can use any field in the wp_users table or wp_usermeta table, for example:
</li>
</ol>
<ul>
<li>display_name</li>
<li>user_nicename</li>
<li>user_email</li>
<li>user_url</li>
<li>first_name</li>
<li>last_name</li>
<li>nickname </li>
</ul>
<ol>
<li>
To change the size of the avatar (defaults to 50px):
[hts-displaymembers avatar_size=128]
</li>
<li>
To not display the email icon (default to true):
[hts-displaymembers emailicon=false]
</li>
<li>
To not display the email link (default to true):
[hts-displaymembers emaillink=false]
</li>
<li>
To display debug information (default to false):
[hts-displaymembers debug=true]
</li>
</ol>

Author: Simon Goodchild

Displays most recently logged in members and optionally link to Private Message if logged in. Requires BuddyPress.

rajulmondal5

<ul>
<li>Stay Alive plugin will help you to show online users </li>
<li>Plugin is manageable using widget and shortcode </li>
<li>Pusher credentials are need to use this plugin</li>
</ul>
<a href="https://profiles.wordpress.org/rajulmondal5" rel="nofollow ugc">rajulmondal5</a> | <a href="https://github.com/razzul" rel="nofollow ugc">github.razzul</a>
<h4>Features</h4>
<ul>
<li>Get Online Users list in your website</li>
<li>This plugin is manageable from widget</li>
<li>You can use short code at any point</li>
<li>Secure
 </li>
<li>Free for all
 </li>
<li>Socket service is used from the free socket service provider <a href="https://pusher.com/" rel="nofollow ugc">Pusher</a>
</li>
</ul>
<h3>Official Site</h3>
<ul>
<li>For More Information</li>
<li>https://github.com/razzul/stay-alive</li>
<li>Or Advanced feature drop mail:developer.rajul@gmail.com</li>
</ul>

Stay Alive

This plugin will provide you active uses list using the widget.
Its cool need to improve more

Best Plugin for Online Users in WordPress

Stay Alive wordpress plugin to check online user's in your website in just minutes with widget or shortcode using Pusher 3rd party socket service …

Author: Simon Goodchild vs Stay Alive