• SI CAPTCHA Anti-Spam or  WP-reCAPTCHA

FUNCTIONALITY – ADD ONS

• WP-Polls (ajax polls)
• SyntaxHighlighter Evolved (syntax highlighter for posting code)
• Events Calendar
• Global Translator
• WP-Sticky (sticky posts)
• Subscribe-Remind (Rss subscription nudger)
• cformsII

FUNCTIONALITY – IMPROVEMENT

• My Page Order (set order of pages)
• Subscribe to Comments
• Exclude Pages
• Breadcrumb NavXT
• WP-UserOnline (users online with stats)
• Search Everything
• WP Page Numbers
• Category and Page Icons
• Thumbnail For Excerpts
• Top Commentators Widget
• Contextual Related Posts
• Custom Widgets (select which pages, post, etc widgets appear)
• WP Super Edit 1.5

INTEGRATION

• Google Sitemaps
• Twitter Widget Pro
• Wordbook (post to Facebook)
• WP-FacebookConnect
• Easy Privacy Policy (For Google Adsense compliance)

MAINTENANCE

• Broken Link Checker
• WP-DB-Backup (database backup)
• Maintenance Mode
• Wordpress Automatic upgrade

SECURITY

• $POST Logger
• Login LockDown
• WP Security Scan
• WordPress Firewall Plugin
• WordPress Guard Plugin

SEO

• All-In-One SEO Plugin

SOCIAL

• SexyBookmarks (nice social bookmarking display)
• Find Me On (display your social network links)
• Drag To Share

VISUAL

• WP-Cumulus (3D tag display)
• WPtouch iPhone Theme