victor4g

My Settings allows you to change default settings and change display of your site content.
Features include:
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you can change default email settings of wordpress like sender name and from email.
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you can add custom login url and change redirect url after login and logout.
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you can hide plugin and theme editor from sub menu so that no one can change and see your theme and plugin files from admin.
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you can also highlight all the tags and post specific tags in the post and page descriptions which is affected by the_excerpt() and the_content() related functions.
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you can apply your custom html which apply before and after tags to highlight the tag.
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you can add the footer text which is shown through wp_footer() function.
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you can hide the admin tool bar for all users at front side.
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Note: This is the first version of this plugin so, there is very good features in future versions.
<h3>Settings</h3>
Go to Admin -> click on My Settings tab.

My Settings

My Settings allows you to change default settings and change display of your site content.

neoslab

Custom Email Sender allow you to easily customize the default email sender name and default email address directly from your WordPress dashboard.
<h3>License</h3>
Good news, this plugin is free for everyone! Since it’s released under the GPL, you can use it free of charge on your personal or commercial site.

Custom Email Sender

Will be difficult to find an extension more simple to use than this one

Easy Way to change your sender name

Change the default email address and sender name output for all message sent from your WP dashboard.

My Settings vs Custom Email Sender