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.
This plugin will add a WP Event Calender feature inside a post or page.
Integrates NivoSlider into WordPress.
View products from product feed via affiliate network Partner Ads. A plugin for showing affiliate products.
Redirect all 404 errors to a specific page
Harness WordPress.com's advertising partners for your own website.
Comet Cache is an advanced WordPress caching plugin inspired by simplicity. Speed up your site (BIG time!) with an intelligent and easy-to-use cache.
Send push notifications to iOS and Android devices for free, no separate third-party server integration required.
MailGet - Email Marketing WordPress plugin gives you highest inbox email delivery at affordable price. Track Open, Clicks, Spam, Bounce.
Move to Trash from Admin Bar plugin adds a Move to Trash Button to delete posts or pages from the WordPress Admin Bar.
Buddypress required! (v2.5 at least)