1. 失效链接检查器

Checks your blog for broken links and missing images and notifies you on the dashboard if any are found.

http://w-shadow.com/blog/2007/08/05/broken-link-checker-for-wordpress/

2.NextGEN Gallery

A NextGENeration Photo gallery for the Web 2.0.

http://alexrabe.de/?page_id=80

3.Simple Tags

Extended Tagging for WordPress 2.8 and 2.9 ! Suggested Tags, Mass edit tags, Autocompletion, Tag Cloud Widgets, Related Posts, Related Tags, etc!

http://redmine.beapi.fr/projects/show/simple-tags

4.StatPressCN

shows you real time statistics about your blog, also support for Chinese perfectly

http://heart5.com/?page_id=629

5.WordPress Related Posts

Generate a related posts list via tags of WordPress

http://fairyfish.net/2007/09/12/wordpress-23-related-posts-plugin/

6.WP-PageNavi

Adds a more advanced paging navigation to your WordPress blog

http://wordpress.org/extend/plugins/wp-pagenavi/

7.wp-utf8-excerpt

This plugin generates a better excerpt for multibyte language users (Chinese, for example). Besides, it keeps the html tags in the excerpt. 为使用多字节语言（如中文）的Wordpress用户提供更好的摘要算法，以解决Wordpress默认摘要算法只考虑西方语言的不足。此外，此插件产生的摘要可保留原文中的格式。

http://myfairland.net/wp-utf8-excerpt/

8.Easy Gravatars

This plugin allows you to automatically add Gravatars for commenters to your theme, if your theme does not already support them.

http://wordpress.org/extend/plugins/easygravatars/