tradebit

The fastest way to sell files hosted on Dropbox! With this plugin you will get:
<ul>
<li>a free Paldrop merchant account (for up to 10 registered products)</li>
<li>an integrated button in your admin panel to fire up the member area</li>
<li>a sidebar widget, that links with your ID to paldrop and lists your products</li>
</ul>
Paldrop.com is the standard way to sell files hosted on Dropbox and gives you 
access to millions of legal digital goods that you may additionally add to your 
blog.
Read more about the <a href="http://www.paldrop.com/" title="Downloads" rel="nofollow ugc">Paldrop features</a> 
here. The current version provides English accounts and will be enhanced to 
other languages down the road.

PalDrop Dropbox Shop

PalDrop allows you to add a simple and fast payment button for your Dropbox files! It combines your Paypal email with your Dropbox account and enables …

kdmurray

pbhj

Note that this plugin is largely obsolete with the new admin ribbon in WP3. 
This plugin provides a widget which can contain links to pages in the administration panel in one of your sidebars. 
These links are only visible to those already logged in as an administrator. 
Version 1.2.0 added loginout links and displays a login form for logged-out users.
<h3>Release History</h3>
1.3.0, 2013-03-03 — Updated testing info.
1.2.1, 2009-03-27 — Corrected meta info URLs and added use of get_bloginfo to get address for login form – big error!
1.2.0, 2009-03-23 — Altered to include loginout link using wp_loginout() from general-template.php; cleaned up indenting; plugin and readme fixed up for adding to WP’s SVN repo.
1.2.0 — despite a promise to add alterations for login, no activity since April 2008, hence refactoring and releasing
1.1.4 — minor changes for compatibility with WordPress 2.5.x; by kdmurray
<h3>Feedback</h3>
pbhj /|7′ alicious D07′ com
<h3>Copyright / GPL</h3>
Parts of this work are copyright 2009 pbhj; Other parts were created and/or adapted by kdmurray. kdmurray left no license notes and so the work is assumed to be GPL to match with other parts of WordPress code. Any legal or practical ramifications of such an assumption are hereby disclaimed, you should establish your rights on your own behalf.
Alterations and adaptations are considered to also be made under the GPL, version 3, 2009AD. Thus:
This program is free software: you can redistribute it and/or modify 
 it under the terms of the GNU General Public License as published by 
 the Free Software Foundation, either version 3 of the License, or 
 (at your option) any later version.
This program is distributed in the hope that it will be useful, 
 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
 GNU General Public License for more details.
You should have received a copy of the GNU General Public License 
 along with this program. If not, see <a href="http://www.gnu.org/licenses/" rel="nofollow ugc">http://www.gnu.org/licenses/</a>.
This program refers to ALP. We prefer for you to attribute our code, preferably with a link to http://alicious.com/admin-links-plus-sidebar-widget/ , thanks.

Admin Links Plus

Note that this plugin is largely obsolete with the new admin ribbon in WP3.

PalDrop Dropbox Shop vs Admin Links Plus