I wrote an article about extending the functionality of the basic WordPress install. Rather than trying to keep that list up to date, another plugin is used to display plugins installed, both active and inactive - dynamically.

There are 62 plugins used: 57 active plugins and 5 inactive plugins.

Active Plugins

  AddQuicktag 1.6.3
» Roel Meurders, Frank Bültge (url)
Allows you to easily add custom Quicktags to the editor. You can also export and import your Quicktags.

  Advanced Permalinks 0.1.17
» John Godley (url)
Allows multiple permalink structures, migration of permalinks without redirections, permalinks for posts in specific categories, and categories without a base

  Advanced Search 2.0
» Alex Günsche (url)
This plugin provides a powerful and versatile site search for your WordPress installation. It uses MySQL’s advanced search functionalities. It also features search term highlighting.

  AJAX Comments 2.08
» Mike Smullin (url)
Post comments quickly without leaving or refreshing the page.

  Akismet 2.2.7
» Matt Mullenweg (url)
Akismet checks your comments against the Akismet web service to see if they look like spam or not. You need a WordPress.com API key to use it. You can review the spam it catches under “Comments.” To show off your Akismet stats just put <?php akismet_counter(); ?> in your template. See also: WP Stats plugin.

  Angsuman's Multi-Page Plugin 0.1
» Angsuman Chakraborty, Taragana (url)
Adds button to UI to enable multi-page post.

  Author Highlight 1.0
» Jonathan Leighton (url)
Author Highlight is a plugin that prints out a user-specified class attribute if the comment is made by the specified author. It is useful if you would like to apply a different style to comments made by yourself.

  BlogStats PCC 2.3.0a
» Perishable @ Monzilla Media [monzilla.biz] (url)
BlogStats PCC spits out a customizable set of blog statistics.

  Chennai Central 1.2
» Rajesh (India Fascinates) (url)
Chennai Central saves bandwidth and saves your money

  Clean Options 1.3.0
» Mittineague (url)
finds orphaned options and allows for their removal from the wp_options table

  CodeHighlighter 1.8
» Wongoo Lee (url)
Syntax highlighter for source code using GeSHi

  Contact Form 7 2.0.6
» Takayuki Miyoshi (url)
Just another contact form plugin. Simple but flexible.

  Custom Query String Reloaded 2.9
» Moshu (url)
Change the number of posts displayed when viewing different archive pages, including tags archives, based on WP’s own tag system. Originally by Matt Read http://www.mattread.com/ – Updated for UTW tags by Andy Beard http://andybeard.eu/.

  Days Since Birth 1.0
» Emma M. (url)
Outputs the total number of days since first blog post.

  DB Cache Reloaded 2.0.2
» Daniel Frużyński (url)
The fastest cache engine for WordPress, that produces cache of database queries with easy configuration. (Disable and enable caching after update)

  Dean's Permalinks Migration 1.0
» Dean Lee (url)
With this plugin, you can safely change your permalink structure without breaking the old links to your website,and even doesn’t hurt your google pagerank.

  Excerpt Editor 1.4
» Andrew Ozz (url)
Add or edit excerpts for Posts and Pages.

  FeedBurner FeedSmith 2.3.1
» FeedBurner (url)
Originally authored by Steve Smith, this plugin detects all ways to access your original WordPress feeds and redirects them to your FeedBurner feed so you can track every possible subscriber.

  Future Calendar 1.0
» Aaron Harun (url)
A simple plugin that utalizes a modified get_calendar function that shows what dates have a future post scheduled in a calendar format, and makes it easy to change the current timestamp. Temperature Functionality and some tweaks by Flavio Jarabeck (www.InternetDrops.com.br)

  GeoPress 2.4.3
» Andrew Turner & Mikel Maron (url)
GeoPress adds geographic tagging of your posts and blog. You can enter an address, points on a map, upload a GPX log, or enter latitude & longitude. You can then embed Maps, location tags, and ground tracks in your site and your blog entries. Makes your feeds GeoRSS compatible and adds KML output. (http://georss.org/geopress )

  Google Analyticator 6.0.2
» Ronald Heft (url)
Adds the necessary JavaScript code to enable Google’s Analytics. After enabling this plugin visit the settings page and enter your Google Analytics’ UID and enable logging.

  Google XML Sitemaps 3.2.2
» Arne Brachhold (url)
This plugin will generate a special XML sitemap which will help search engines like Google, Yahoo, Bing and Ask.com to better index your blog.

  Gravatar 1.1
» Tom Werner (url)
This plugin allows you to generate a gravatar URL complete with rating, size, default, and border options. See the documentation for syntax and usage.

  Live Comment Preview 1.9
» Brad Touesnard (url)
Supply users with a live comment preview. Use the function <?php live_preview() ?> to display the live preview in a different location. Based on version 1.7 by Jeff Minard.

  Maintenance Mode 4.4
» Michael Wöhrer (url)
Adds a splash page to your blog that lets visitors know your blog is down for maintenance. Logged in administrators get full access to the blog including the front-end. Navigate to Settings → Maintenance Mode to get started.

  Modified Tag Cloud 1.0
» Mike Hudson (url)
A customizable tag-cloud plugin for Wordpress to allow the changing of style options from the Admin control panel. Based on the widget version by Keith Solomon.

  Most Commented Widget 2.1.1
» Nick Momrik (url)
Widget to display posts/pages with the most comments.

  Nicer Link Pages 1.01
» Mike Hudson (url)
Provides options for multipage navigation that WP’s link_pages function doesn’t, like choice of a separator, combining numbers and next/previous, and link on first page only. Based on original by Joseph Fieber

  Nicer trackbacks 1.0
» Rachel Cunliffe (url)
Changes the display of trackbacks from [...] Tracbackback text [...] to something a little more readable.

  NoFollow Free 1.6.3
» Michele Marcucci (url)
Remove the nofollow tag from your blog’s comments with a lot of options customizable, per user type removal, per comments count removal etc… Supports multilingual and a Top Commenters sidebar Widget.

  Nofollow Links 1.0.3
» Andrew Shell (url)
Select which links in your blogroll you want to nofollow.

  Ozh' Better Feed 2.2
» Ozh (url)
Your feeds, on steroids. Add a feed footer with a copyright, “Add to delicious”, the number of comments… Add anything to your feed. For WordPress 2.8+

  Ping/Track/Comment Count 1.1
» Mark Jaquith (url)
Provides unctions that return or display the number of trackbacks, pingbacks, comments or combined pings recieved by a given post. Other authors: Chris J. Davis, Scott “Skippy” Merrill

  Platinum SEO Pack 1.3.1
» Rajesh - Techblissonline Dot Com (url)
Complete SEO solution for your Wordpress blog.

  PuSHPress 0.1.5
» Joseph Scott (url)
PubSubHubbub plugin for WordPress that includes the hub

  Remove Generator Information 0.2
» Joan B. Giménez Sendiu (url)
Remove all generator information on xhtml, html, rss2, atom, rdf, comments and export pages.

  sCategory Permalink 0.6.2
» Dmytro Shteflyuk (url)
Plugin allows to select category which will be used to generate permalink on post edit page. Use custom permalink option %scategory% on Permalinks options page.

  ShareThis 3.2
» ShareThis (url)
Let your visitors share a post/page with others. Supports e-mail and posting to social bookmarking sites. Configuration options are here. Questions on configuration, etc.? Make sure to read the README.

  Smart 404 0.3.3
» Michael Tyson (url)
Rescue your viewers from site errors! When content cannot be found, Smart 404 will use the current URL to attempt to find matching content, and redirect to it automatically. Smart 404 also supplies template tags which provide a list of suggestions, for use on a 404.php template page if matching content can’t be immediately discovered.

  Sociable 3.5.2
» Blogplay (url)
Automatically add links on your posts, pages and RSS feed to your favorite social bookmarking sites.

  todo-plugin 0.2.2
» Pravin Paratey (url)
Lets you create and manage a todo list. To show your todo list, just put <?php pravin_get_todo(); ?> in your template. Contains a dashboard widget that shows the contents of the to-do list only to predetermined roles.

  Twitter Tools 2.2.1
» Alex King (url)
A complete integration between your WordPress blog and Twitter. Bring your tweets into your blog and pass your blog posts to Twitter. Show your tweets in your sidebar, and post tweets from your WordPress admin.

  Twitter updater 2.08
» Ingo "Ingoal" Hildebrandt, edited by Eric Austin Lee (url)
Updates Twitter when you create a new blog or publish one

  Ubernyms 2.6
» Joel Bennett (url)
Wraps up the functionality of the Acronym Replacer, AutoLinker, and then some. Can replace anything with anything, and includes (optional) domTT powered tooltips.

  WordPress Database Backup 2.2.2
» Austin Matzko (url)
On-demand backup of your WordPress database. Navigate to Tools → Backup to get started.

  WordPress Heat Map 2.3
» Christoph Wimmer (url)
Template tags for a heat map of category links and archive links.

  WordPress Related Posts 1.1.1
» Denis (url)
Generate a related posts list via tags of WordPress

  WP-Ban 1.50
» Lester 'GaMerZ' Chan (url)
Ban users by IP, IP Range, host name, user agent and referer url from visiting your WordPress’s blog. It will display a custom ban message when the banned IP, IP range, host name, user agent or referer url tries to visit you blog. You can also exclude certain IPs from being banned. There will be statistics recordered on how many times they attemp to visit your blog. It allows wildcard matching too.

  WP-Footnotes 3.3
» Simon Elvery (url)
Allows a user to easily add footnotes to a post.

  WP-PageNavi 2.61
» Lester 'GaMerZ' Chan (url)
Adds a more advanced paging navigation to your WordPress blog.

  WP-PluginsUsed 1.50
» Lester 'GaMerZ' Chan (url)
Display WordPress plugins that you currently have (both active and inactive) onto a post/page.

  WP-RelativeDate 1.50
» Lester 'GaMerZ' Chan (url)
Displays relative date alongside with your post/comments actual date. Like ‘Today’, ‘Yesterday’, ‘2 Days Ago’, ‘2 Weeks Ago’, ‘2 ‘Seconds Ago’, ‘2 Minutes Ago’, ‘2 Hours Ago’.

  wp-Table 1.52
» Alex Rabe (url)
This plugin is a simple table manager. I didn’t find anything in the web which creates the same result, for my purpose.

  WP Internal Rewrite Viewer 1.0
» Dagon Design (url)
View the internal rewrites of WordPress (Usage: http://(your-wp-install)/rewrites/)

  WP No Category Base 0.7
» iDope (url)
Removes ‘/category’ from your category permalinks.

  WP Super Cache 0.9.9
» Donncha O Caoimh (url)
Very fast caching plugin for WordPress.

  Yet Another PhotoBlog 1.9.24
» J.P.Jarolim (url)
Convert your WordPress Blog into a full featured photoblog in virtually no time. More informations may be found on the plugin pages.

Inactive Plugins

  Calendar Archives 1.4
» Amit Badkas (url)
Calendar Archives is a visualization plugin for your WordPress site which creates yearly calendar for your posts. Create a new page (having ‘no sidebars’ layout) for your calendar archive and insert the code [calendar-archive] in the editor. Load this page and enjoy the view!

  Twitter Tools - Bit.ly URLs 2.2.1
» Crowd Favorite (url)
Use Bit.ly for URL shortening with Twitter Tools. This plugin relies on Twitter Tools, configure it on the Twitter Tools settings page.

  Twitter Tools - Exclude Category 2.2.1
» Crowd Favorite (url)
Exclude posts in certain categories from being tweeted by Twitter Tools. This plugin relies on Twitter Tools, configure it on the Twitter Tools settings page.

  Twitter Tools - Hashtags 2.2.1
» Crowd Favorite (url)
Set #hashtags for blog post tweets sent by Twitter Tools. This plugin relies on Twitter Tools, configure it on the Twitter Tools settings page.

  WordPress Clean Archive 0.1
» Bas Wenneker (url)
Display a nice ‘n clean archive table on your blog by adding <?php wp_clean_archive(); ?> to your template.

I have left comments open on this, so if you feel the need to ask why or how a plugin is used then fire away.

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