krazykoder

Freedom Permalinks can help you to change permalinks to any format you want. 
Update slug structure, change domains, remove/add slashes or add extensions (.html, .php or anything you want) etc.
<pre><code>PS. While this gives you freedom to play with permalinks, you should know that you have to make those link structures work with your themes yourself.
</code></pre>
For example if your theme is installed on subdomain1.domain.com, changing permalink to subdomain2.domain.com will break the existing links and you have to move your theme manually to subdomain2.domain.com to make it work.
<pre><code>Things you must know before trying this plugin:
1. It's best suited for custom/smaller themes.
2. Always create backup of your database before trying this plugin.

Examples:
Some permalink examples to just give you some idea to what we can do with "Freedom Permalinks".
Permalink : http://subdomain-anydomain2.com/blog/%post_id%/%post_slug%
Becomes : http://subdomain-anydomain2.com/blog/23/this-is-smaple-page-post

Permalink : http://subdomain.com/blog/%post_id%/%post_slug%.html
Becomes : http://subdomain.com/blog/23/this-is-smaple-page-post.html

Permalink : http://subdomain.com/blog/%post_slug%.html
Becomes : http://subdomain.com/blog/this-is-smaple-page-post.html

Permalink : http://subdomain.com/blog/%post_category%/%post_slug%.html
Becomes : http://subdomain.com/blog/health/this-is-smaple-page-post.html

Permalink : http://nes.subdomain.com/news/%post_category%/%post_slug%-%post_id%
Becomes : http://nes.subdomain.com/news/mobile/some-ceo-retired-23
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Freedom Permalinks

Change permalinks for standard or custom post types while using any domain name you want.

Everett

This is a a simple plugin that is used for setting a reminder of when your domain is going to expire. You set the date once and it will display it in the panel. This is only the first version and we will be looking to expand some of the features available.
This includes:
<ul>
<li>A countdown that will give you a ten and then a five day reminder</li>
<li>A smoother look</li>
</ul>
If there are any questions or if you are looking for more updates about plugins then go here blackthought.posterous.com

Domain Reminder

Simple plugin that allows a user to remind them when the blog's domain is about to expire

Freedom Permalinks vs Domain Reminder