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 64 plugins used: 52 active plugins and 12 inactive plugins.

Active Plugins

  AddQuicktag 2.0.3
» Frank Bültge (url)
Allows you to easily add custom Quicktags to the html- and visual-editor.

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

  Akismet 2.5.6
» Automattic (url)
Used by millions, Akismet is quite possibly the best way in the world to protect your blog from comment and trackback spam. It keeps your site protected from spam even while you sleep. To get started: 1) Click the “Activate” link to the left of this description, 2) Sign up for an Akismet API key, and 3) Go to your Akismet configuration page, and save your API key.

  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.

  Better Extended Live Archives 0.70
» Charles (url)
The famous ELA for WP 2.7+. It’s work for WP 3.0.

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

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

  Custom Post Limits 3.6
» Scott Reilly (url)
Independently control the number of posts listed on the front page, author/category/tag archives, search results, etc.

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

  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.

  FD Feedburner Plugin 1.45
» John Watson (url)
Redirects all feeds to a Feedburner feed

  Future Calendar 1.6.2
» Aaron Harun (url)
A simple plugin that utilizes 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. Includes a widget to display posts on your website.

  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 Analytics for WordPress 4.2.4
» Joost de Valk (url)
This plugin makes it simple to add Google Analytics to your WordPress blog, adding lots of features, eg. custom variables and automatic clickout and download tracking.

  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.

  Hikari Category Permalink 1.00.08
» Hikari (url)
You can choose which category will be used in posts permalinks, instead of Wordpress default one!

  Hobo SEO WP Bot Crawl Tracker 1.5 Beta
» Martin Gardner (url)
Tracking Google & Bing Bot Visits to your website.

  Live Comment Preview 2.0.1
» Brad Touesnard (url)
Displays a preview of the user’s comment as they type it.

  Maintenance Mode 5.4
» 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 2.2
» Nick Momrik (url)
Widget to display posts/pages with the most comments.

  My Latest Posts Dashboard Widget 0.2
» Duncan Brown (url)
Displays a customisable dashboard widget containing recent posts by the current user

  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 1.0.4
» 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+

  Permalink Trailing Slash Fixer 1.0.1
» Mehdi Kabab (url)
Quickly add a trailing slash in the URLs if it’s missing in the permalink structure. Note: Single posts permalink are skipped.

  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

  PuSHPress 0.1.7.1
» Joseph Scott (url)
PubSubHubbub plugin for WordPress that includes the hub

  Redirection 2.2.13
» John Godley (url)
Manage all your 301 redirects and monitor 404 errors

  Relevanssi 2.9.14
» Mikko Saari (url)
This plugin replaces WordPress search with a relevance-sorting search.

  Simple Page Ordering 1.0
» Jake Goldman (10up) (url)
Order your pages and hierarchical post types using drag and drop on the built in page list. Also adds a filter for items to show per page. For further instructions, open the “Help” tab on the Pages screen.

  Smart 404 0.5
» 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.

  Twitter Tools 2.4
» Crowd Favorite (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.

  W3 Total Cache 0.9.2.4
» Frederick Townes (url)
The highest rated and most complete WordPress performance plugin. Dramatically improve the speed and user experience of your site. Add browser, page, object and database caching as well as minify and content delivery network (CDN) to WordPress.

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

  WordPress Related Posts 1.2
» Denis (url)
Generate a related posts list via tags of WordPress

  WordPress SEO 1.1.5
» Joost de Valk (url)
The first true all-in-one SEO solution for WordPress, including on-page content analysis, XML sitemaps and much more.

  WP-Footnotes 4.2
» Simon Elvery (url)
Allows a user to easily add footnotes to a post.

  WP-Optimize 0.9.4
» Ruhani Rabin (url)
This plugin helps you to keep your database clean by removing post revisions and spams in a blaze. allows you to rename your admin name also. Additionally it allows you to run optimize command on your wordpress core tables (use with caution).

  WP-PageNavi 2.82
» Lester 'GaMerZ' Chan & scribu (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 No Category Base 1.0
» iDope (url)
Removes ‘/category’ from your category permalinks.

  WP Show IDs 110709
» PriMoThemes.com / WebSharks, Inc. (url)
Simple, yet elegant. Shows IDs for Posts, Pages, Media, Links, Categories, Tags, and Users in the admin tables for easy access. Very lightweight. Also supports Custom Post Types / Taxonomies.

  Yet Another PhotoBlog 1.10.6
» 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

  Advanced Permalinks 0.1.21
» 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 3.0
» (url)
This plugin has been removed from your site. WordPress.org has identified this plugin to be malware. For more, see this post.

  Debug Bar 0.8
» wordpressdotorg (url)
Adds a debug menu to the admin bar that shows query, cache, and other helpful debugging information.

  Debug Bar Extender 0.5
» Thorsten Ott, Automattic (url)
A minimalistic profiler / debugging class that hooks into the debug bar and can be implemented easily

  Exploit Scanner 1.2.1
» Donncha O Caoimh (url)
Scans your WordPress site for possible exploits.

  Organize Series 2.4
» Darren Ethier (url)
This plugin adds a number of features to wordpress that enable you to easily write and organize a series of posts and display the series dynamically in your blog. You can associate “icons” or “logos” with the various series. This version of Organize Series Plugin requires at least WordPress 3.3 and PHP 5.2+ to work.

  Plugins Garbage Collector 0.9.8
» Vladimir Garagulya (url)
It scans your WordPress database and shows what various things old plugins which were deactivated, uninstalled) left in it. The list of additional database tables used by plugins with quant of records, size, and plugin name is shown.

  Theme-Check 20110805.1
» Pross (url)
A simple and easy way to test your theme for all the latest WordPress standards and practices. A great theme development tool!

  Torbit Insight 1.0
» jonefox (url)
How fast is your website? Start seeing real performance data from your site’s actual visitors. This plugin adds Torbit Insight to your WordPress blog or website.

  Twitter Tools - Bit.ly URLs 2.4
» 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 2.4
» 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 2.4
» 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.

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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