2011 was a great year for web developers and designers, lots of new and exciting plugins comes in this year. For me the best WordPress Plugin in 2011 are as follows, hope you will be agree with me. Plugin are important part of WordPress Development and WordPress Design.
There are many quotes plugins out there. This one has been started by me (Shantanu Goel) with a view to have the best of features and options, ease of use and multiple sources to get the quotes from.
This plugin adds a checkbox, "include this page in menus", which is checked by default. If you uncheck it, the page will not appear in any listings of pages (which includes, and is usually limited to, your page navigation menus).
The normal Text widget allows you to insert arbitrary Text and/or HTML code. This allows that too, but also parses any inserted PHP code and executes it. This makes it easier to migrate to a widget-based theme.
All PHP code must be enclosed in the standard tags for it to be recognized.
EventBrite - extensive tools to manage, promote, and sell your event. Events Manager - event registration management. Will be integrating PayPal soon. Ajax Event Calendar - localized community calendar that allows authorized users to manage events in custom categories.
This lightweight plugin for Wordpress 2.0 or greater gives you the ability to easily allow users to subscribe to your newsletter or RSS blog feed from any page on your blog. Simply install the plug-in, configure your settings, and embed the comment <!--phplist form--> on any page on your blog. It's easy and fast and does not require any further template modifications in PHPList or Wordpress.