There are probably many bloggers had written about stuff that must have for a wordpress user. So I’m glad if you could spend some time letting me to share my opinions on all the plug-ins that work for me.
Akismet Comment Spam Killer
A Must-Have
Plug-in comes along with Wordpress
Activate it, go Control Panel > Presentation > Plug-in
To prevent spammers
API key required in Wordpress account
Sidebar Widget

After installation, activate it in the plug-in section and tab to Presentation > Sidebar Widgets to edit
Drag-and-drop items on sidebar without editing PHP file
Themes must be a Sidebar Widget ready
Executable PHP Widget

For some feature sites for Text Link Ads and my “Must Read” (Most Popular Content) required a PHP call
Popularity Contest

Configurable point values to determine popularity
Stats (view, comments, tracked) to show according to popularity for all posts
Change the title to “Must Read” like I do can make a big catchy for people eyes
Related Post

Output a series of “related” entries based on keyword matching
Choose to insert anywhere in content for keeping readers on blog
Options to exclude excerpt and password protected pages
Recent Comments
Comes along in Sidebar Widgets option
Works like Related Post Plug-in
Brings up your other posts on your sidebar after someone posts a comment
Terong Related Post

Choose to display any other posts instead of keyword matching
Numbers of post to display are unlimited but displaying too many will be too messy.
Adsense Deluxe

A Must-Have for Money Blogger
Edit Adsense without leaving homepage
Obeying to the TOS rules of Google that only 3 Google ads are allowed to display on a page
Ads disappear on a front page if numbers of Adsense exceed
Feedburner Feed Replacement

Install FeedBurner to Wordpress
Directs 100% of feed traffic through FeedBurner
Converts any existing subscribers from the old feed to FeedBurner
Optimal Title

Maximize your Google index and search engine rankings
Choose to show your blog title before your blog name
Google Sitemap Generator

Generate a Google Sitemap for Wordpress automatically, whenever a post has been updated
Help to Google indexed much faster
Wordpress Database Backup
Plug-in installed
Manage tab > Backup
For security reasons, turn if off after backup
Brian’s Threaded Comments

“Reply to this comment” button to every blog comments
Easier for webmaster/readers to interact with each
Show Top Commentators

Encourage feedback and discussion by rewarding readers
Full link for top commentators without a nofollow tag
Subscribe to Comments 2.0

“Notify me of follow up comments via e-mail” button
Let the readers keep tracking on comment post
Secure and Accessible PHP Contact Form

Easy-to-install contact
Form features exceptional accessibility and usability
Provides extensive anti-spam and anti-exploit security features
A marriage of communication and peace-of-mind
Download Monitor

Manage downloads on site
View and show hits, and output in posts
Downloads page found at Manage > Downloads
Popularity: 6% [?]
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