Babar

Yet another WordPress SEO plugin to enhance on page SEO of your website.
It provides a simple to use interface to enter your meta tags like meta descriptions and keywords. 
The tags will automatically inserted into your website header while a visitor or search engine bot visit your website. This will enhance your presence to search engines and will work with you to increase your visitors.
Upcoming features: 
* Automatic meta tag generator 
* A nice Admin panel 
* Support for custom post type
If you have further query, <a href="http://en.ibabar.com/contact-us" title="Mail me directly from my blog" rel="nofollow ugc">contact me</a>

MetaTag

MetaTag is a simple to use WordPress plugin to enhance on page SEO of your website.

Search Appearance Toolkit (SEO 44) vs MetaTag