76. WP Symposium A Social Network For WordPress
Social Networking for WordPress: forum, activity, member directory, mail, chat, profile page, groups, events, gallery, mobile, RSS and more! http://wordpress.org/extend/plugins/wp-symposium/
The plugin allows to sell digital content and accept payments via PayPal, Payza or InterKassa. It delivers download link after completed payment. http://wordpress.org/extend/plugins/paid-downloads/
78. Twitter Blackbird Pie
Add awesome looking embedded HTML representations of actual tweets in your blog posts just by adding simple shortcodes. http://wordpress.org/extend/plugins/twitter-blackbird-pie/
This plugin allows you to add and edit a Heading for your Posts, Pages and Custom Post Types, different from the Title (which is used in the navigation). http://wordpress.org/extend/plugins/wp-title-2/
80. WP Single Post Navigation
Plugin adds next & prev nav links on single posts to have a “browse post by post nav style”. Includes customizeable parameters. http://wordpress.org/extend/plugins/wp-single-post-navigation/
A jQuery slideshow with a responsive layout, easy to use with an extended admin panel.
Keep users on your site longer. Introducing the fast, smart way to show related content on your blog with thumbnail images or text. http://wordpress.org/extend/plugins/related-content-by-wordnik/
Adds links to navigate to the next and previous posts when editing a post in the WordPress admin.
WP Editor is a plugin for WordPress that replaces the default plugin and theme editors as well as the page/post editor. http://wordpress.org/extend/plugins/wp-editor/
This plugin converts URLs to audio files (MP3, OGG, WAV) into HTML5 audio with Flash-based player backup.
Highly customizable plugin to display Instagram photos in a sidebar widget, a post or on a page. Also an image gallery with paging functionality. http://wordpress.org/extend/plugins/instapress/
Install this plugin on unlimited sites and manage them all from a central dashboard. This plugin communicates with your InfiniteWP Admin Panel. http://wordpress.org/extend/plugins/iwp-client/
Pagebar adds a nice page bar to your blog posts, multi paged posts and paged comments.
89. Highlight Search Terms
Very lightweight jQuery script that wraps search terms in an HTML5 mark tag when referrer is a search engine or within wp search results. http://wordpress.org/extend/plugins/highlight-search-terms/
Create and delete additional image sizes for your WordPress site/blog as well as resize the predefined WordPress sizes. http://wordpress.org/extend/plugins/additional-image-sizes-zui/
Allows multiple permalink structures and category-specific permalinks without needing redirects.
Adds a Theme option to any active theme allowing you to make a child theme.
93. T(-) Countdown
T(-) Countdown will display a highly customizable, flash-free countdown timer as a sidebar widget or in a post or page using a shortcode. http://wordpress.org/extend/plugins/jquery-t-countdown-widget/
Adds pseudo oembed support for PDF documents. http://wordpress.org/extend/plugins/dirtysuds-embed-pdf/
95. WP Total Hacks
WP Total Hacks can customize more than 20 settings on your WordPress Site. PHP5 is required!
96. Erident Custom Login and Dashboard
Customize completly your WordPress Login Screen and Dashboard easily. Add your logo, change background image, colors, styles, Dashboard footer etc. http://wordpress.org/extend/plugins/erident-custom-login-and-dashboard/
Create a simple, non-annoying lightbox popup in your blog. http://wordpress.org/extend/plugins/lightbox-pop/
This plugin will help you to display a sticky message in your site. http://wordpress.org/extend/plugins/quick-notice/
99. WP Splash Image
WP Splash Image is a plugin for WordPress to display picture, video or html code with a lightbox effect at the opening of the blog. http://wordpress.org/extend/plugins/wsi/
An easy template tag for showing a breadcrumb menu on your site and on google search results with built in RDFa Markup. http://wordpress.org/extend/plugins/rdfa-breadcrumb/