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 53
plugins used: 36 active plugins
and 17 inactive plugins
61 Designs Drawer Plugin 1.0
» 61 Designs (url)
Adds a fully customizeable widget area and sliding drawer to the top of your theme
» Frank Bültge (url)
Allows you to easily add custom Quicktags to the html- and visual-editor.
» 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.
Authy Two Factor Authentication 2.5.4
» Authy Inc (url)
Add Authy two-factor authentication to WordPress.
Broken Link Checker 1.10.4
» Janis Elsts (url)
Checks your blog for broken links and missing images and notifies you on the dashboard if any are found.
» Ben Lobaugh (url)
Syntax highlighter for source code using GeSHi. Originally developed by Wongoo Lee of http://ideathinking.com/
Code Snippets 18.104.22.168
» Shea Bunge (url)
An easy, clean and simple way to add code snippets to your site. No need to edit to your theme’s functions.php file again!
Comment Control 0.4.1
» Samir Shah (url)
Gives administrators some more flexible options for controlling comments – e.g., independently setting the default comment status for Posts and Pages
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.
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.
FD Feedburner Plugin 1.46
» John Watson (url)
Redirects all feeds to a Feedburner feed
Featured Image Column 0.2.2
» Austin Passy (url)
Adds a column to the edit screen with the featured image if it exists.
Future Calendar 1.6.3
» 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.
Google Analytics by Yoast 5.2.8
» Team Yoast (url)
This plugin makes it simple to add Google Analytics to your WordPress blog, adding lots of features, eg. error page, search result and automatic clickout and download tracking.
Hikari Category Permalink 1.00.08
» Hikari (url)
You can choose which category will be used in posts permalinks, instead of Wordpress default one!
InfiniteWP - Client 1.3.8
» Revmakx (url)
This is the client plugin of InfiniteWP that communicates with the InfiniteWP Admin panel.
iThemes Security 4.6.2
» iThemes.com (url)
Protect your WordPress site by hiding vital areas of your site, protecting access to important files, preventing brute-force login attempts, detecting attack attempts and more.
» Scott Evans (url)
Conditional functions for detecting a variety of mobile devices and tablets. For example is_android(), is_ios(), is_iphone().
» David Hamilton (url)
OrangeBox is a Lightweight, Cross-Browser, Automated jQuery Lightbox Script. It can display images, YouTube and Vimeo videos, Flash SWF files, PDFs, iFrames, and any other inline content. It also groups items together (regardless of their content type) and shows easy to use navigation.
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.
» Mikko Saari (url)
This plugin replaces WordPress search with a relevance-sorting search.
Simple Page Ordering 2.2.3
» Jake Goldman, 10up (url)
Order your pages and hierarchical post types using drag and drop on the built in page list. For further instructions, open the “Help” tab on the Pages screen.
Slim Jetpack 22.214.171.124
» WingerSpeed (url)
Plug-n-pay Slim Jetpack totally unlinked from WordPress.Com with less obtrusive admin page.
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.
» 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 0.9.4.1
» 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.
What The File 1.4.1
» Barry Kooij (url)
What The File adds an option to your toolbar showing what file and template parts are used to display the page you’re currently viewing. You can click the file name to directly edit it through the theme editor. Supports BuddyPress and Roots Theme. More information can be found at the WordPress plugin page.
WordPress SEO 1.7.1
» Team Yoast (url)
The first true all-in-one SEO solution for WordPress, including on-page content analysis, XML sitemaps and much more.
» Simon Elvery (url)
Allows a user to easily add footnotes to a post.
» Lester 'GaMerZ' Chan (url)
Adds a more advanced paging navigation to your WordPress blog
» Lester 'GaMerZ' Chan (url)
Display WordPress plugins that you currently have (both active and inactive) onto a post/page.
» 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 1.1.1
» iDope (url)
Removes ‘/category’ from your category permalinks.
WP to Twitter 2.9.8
» Joseph Dolson (url)
Posts a Tweet when you update your WordPress blog or post a link, using your URL shortening service. Rich in features for customizing and promoting your Tweets.
» Inpsyde GmbH (url)
WordPress Backup Plugin
Clean Options 1.3.2
» Mittineague (url)
finds orphaned options and allows for their removal from the wp_options table
Dave's WordPress Live Search 4.2
» Dave Ross (url)
Adds “live search” functionality to your WordPress site. Uses the built-in search and jQuery.
Debug Bar 0.8.2
» 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
Excerpt Editor 1.4
» Andrew Ozz (url)
Add or edit excerpts for Posts and Pages.
» 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 )
Infinite Scroll 2.6.2
» Beaver6813, dirkhaim, Paul Irish, benbalter, Glenn Nelson (url)
Automatically loads the next page of posts into the bottom of the initial page.
Nofollow Links 1.0.7
» Andrew Shell (url)
Select which links in your blogroll you want to nofollow.
Organize Series 2.4.7
» 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 3.4+ and PHP 5.2+ to work.
P3 (Plugin Performance Profiler) 126.96.36.199
» GoDaddy.com (url)
See which plugins are slowing down your site. Create a profile of your WordPress site’s plugins’ performance by measuring their impact on your site’s load time.
Query Monitor 2.6.9
» John Blackbourn (url)
Monitoring of database queries, hooks, conditionals and more.
Search & Replace 2.7.0
» Frank Bültge (url)
A simple search to find strings in your database and replace those strings.
Theme Check 20141222.1
» Pross, Otto42 (url)
A simple and easy way to test your theme for all the latest WordPress standards and practices. A great theme development tool!
Unattach and Re-attach Media Attachments 1.2
» davidn.de (url)
Allows to unattach and reattach images and other attachments from within the media library page.
» André Bräkling (url)
Adds Piwik stats to your dashboard menu and Piwik code to your wordpress header.
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.
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.