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.
Thumbnail For Excerpts allow easily, without any further work, to add thumbnails wherever you show excerpts (archive page, feed...).
Quick edit or create excerpts for both Posts and Pages, auto-generate and append excerpts or replace the content with excerpts.
Enable oEmbed discovery for WordPress 2.9.
This plugin will generates Latest Discussion list from your bbpress forum into your wordpress page.
Automatically back up important bits of your WordPress install to Amazon S3.
Displays the most recent few videos on a YouTube channel in your sidebar. Includes settings to affect number of videos displayed (1-10), account name, and title of sidebar area.
Automatically creates a gallery with every images posts have in attachment.
This module is a workaround to use pretty permalinks without any rewrite rule.
This plugin allows you to create a faq page and easily manage the answers from the admin dashboard.
Track post, page, category and homepage views. Build usage statistics, display usage graphs, top pages, posts, categories.