scribu

This plugin adds a dropdown with all the plugin author names. When you select an author, only those plugins remain visible.
Links: <a href="http://scribu.net" rel="nofollow ugc">Author’s Site</a>

Filter Plugins

Allows you to quickly filter plugins by author in the admin.

Gary Pendergast

Advanced Automatic Updates adds extra options to WordPress’ built-in Automatic Updates feature. On top of security updates, it also supports installing major releases, plugins, themes, or even regular SVN checkouts!
If you’re working on a WordPress Multisite install, it will properly restrict the options page to your Network Admin.
While this will be useful for the vast majority of sites, please exercise caution, particularly if you have any custom themes or plugins running on your site.

Advanced Automatic Updates

Nice Plugin

Adds extra options to WordPress' built-in Automatic Updates feature.

Filter Plugins vs Advanced Automatic Updates