Philipp15b

This plugin allows you to add your code/text to the headers and footers on all the blogs in the blog network and in the backend of all blogs too.
In addition, it is possible to replace the footer bar text in the backend completely.
You can access the settings under Network Admin -> Settings.

Sitewide (Admin) Header/Footer

Change the header/footer of the front- and backend of WordPress Multisite

Ko Min

A widget plugin to show the latest posts from all blog in sidebar and content area in multisite enabled WordPress sites.
Features
<ol>
<li>able to show latest posts in sidebar and content areas</li>
<li>choose list or div style (content area only)</li>
<li>support short code (content area only)</li>
<li>User can change the title of the widget as usual</li>
<li>User can limit the number of posts to show</li>
<li>Posts’ stripped down content will be shown if posts’ excerpt are empty</li>
</ol>
Note: Kindly please rate this plugin or vote the compatibility. So I could review it and improve the quality of this plugin. Appreciate your help!

Multisite Latest Posts Widget

Show the latest posts from all blogs in multisite Wordpress.

Sitewide (Admin) Header/Footer vs Multisite Latest Posts Widget