Some Wordpress plugins are often updated, which is good think. Plugins that are updated are 100% compatible with last Wordpress version and they also are the most secure possible. A plugin that has not been updated for a long time might not work with last Wordpress version and might create a security breach for you website.
Monsters Editor (MsE) brings the magic of Fckeditor back to TinyMCE.
Remove Parents is a tiny plugin which remove "category" and parent categories from permalink.
This plugin can receive iCalendar feeds from third party sites and display aggregated upcoming events…
A basic plugin that excludes posts from one or more categories from appearing on the front page.
The Real WYSIWYG plugin turns the TinyMCE Visual Editor in to a real WYSIWYG editor.
EasyRedirect allows WordPress Users to easily redirect any WordPress page/post using one simple tag.
Prints out your webservers php settings as well as other information about your WordPress installation.