WPtouch WordPress plugin
WPtouch automatically transforms your WordPress blog into an iPhone application-like experience when viewed from an iPhone or iPod touch. It comes complete with Ajax & effects, and all the standard WordPress blog features: search, login, categories, tags, archives, photos & more.
Maintenance Mode WordPress plugin adds a splash page to your blog that lets visitors know your blog is down for maintenance. Logged in administrator gets full access to the blog including the front-end. You can modify message which is being displayed when the maintenance mode is activated in the plugin’s options.
Autoclose WordPress plugin enables a granular approach to managing pingbacks/comments/trackbacks on both posts and pages. With its help you can close Comments on posts/pages older than (number of days), close Pingbacks/Trackbacks on posts or pages. Autoclose also provides a checkbox to delete post revisions.
WP Super Cache
WP Super Cache is a static caching plugin for WordPress. It generates HTML files that are served directly by Apache without processing comparatively heavy PHP scripts. By using this plugin you will speed up your WordPress blog significantly. WP-Cache 2 caches the pages of your WordPress blog and delivers them without accessing the database. If your site is struggling to cope with the daily number of visitors, or if your site appears on Digg.com, Slashdot or any other popular site then this plugin is for you.
WP-Optimize plugin is a WordPress database cleanup and optimization tool. It doesn’t require PhpMyAdmin to optimize your database tables. It allows you to remove post revisions, comments in the spam queue, and unapproved comments within few clicks. Additionally you can rename any username to another username too.
Raw HTML Plugin for WordPress
No Comments on Pages
No Comments on Pages is a tiny WordPress plugin which, when activated, disables posting of new comments to all pages and hides existing ones.
Titles as External Permalinks
With this WordPress plugin you can use the post titles as direct links to the sites. This small plugin will replace the standard permalink with an external URL without any need to modify your sites theme. There’s also an extra filter so that it will replace the permalinks within your RSS feed as well.
Multi-level Navigation Plugin for WordPress
WordPress Backup is an essential plugin for all WordPress blog administrators. It performs regular backups of your upload (images), current theme, and plugin directories. Backup files are available for download and optionally emailed to a specified email. You can adjust the interval between backups and the email address to which the backups are sent. For database backup you can use WP DBManager.
Download Counter for WordPress
Download Counter for WordPress keeps track of statistical information about downloads of files attached to your posts and pages. It also can display the last download time, allows you to add counters to both internal and external urls, can print the amount of downloads, the file size and the last modified date in a post.
Branded Login Screen for WordPress
Branded Login Screen for WordPress lets you use custom login screen instead of WordPress default. Branded Admin which lets you change the admin area is also available.
AJAXed WordPress (AWP)
AJAXed WordPress (AWP) is a WordPress plugin that adds the power, usability and beauty of AJAX to any blog or WordPress based website. Its features improve the user experience, the administration capabilities and the design potential of any WordPress based blog. It can display excerpts of posts and then load full posts inline, submit comments without reloading the page, thread comments to make those long discussions easier to read.