This is easy widget that displays your clock in your sidebar .
Clock widget for wordpress:
<pre><code>* Display a customizable analog clock.
* Select your location, select a size and choose a color.
</code></pre>
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Clock-Widget

This is easy widget that displays your clock in your sidebar .

termel

This plugin gives you the ability to display most commented posts on the entire network, using a specific shorcode in posts or pages, or using the widget dedicated to this. 
Shortcode example: 
 [wp_mpp max=5 type=ever show_posts=0 show_comments=1] 
Use following shortcode parameters:
<ul>
<li>max : maxium entries to show</li>
<li>type :
<ul>
<li>ever : all time stat</li>
<li>lastmonth : last 30 days</li>
<li>currentmonth : current month</li>
<li>lastweek : last 7 days</li>
<li>currentweek : this week</li>
</ul>
</li>
<li>show_posts : display (1) or not (0) total number of posts published accross network</li>
<li>show_comments : display (1) or not (0) total number of coments for each posts in list.</li>
</ul>

WP Multisite Most Commented Posts

Display network most commented posts with a Widget or a Shortcode.

Clock-Widget vs WP Multisite Most Commented Posts