Here's a list of the most useful plugins for your Wordpress blog: 1. The Theme and Side Bar 1.1 Widget 1.2 Widget Compatible theme By combining the Widget plugin and the compatible widget template, you can easily switch around the layout of the side bar components, the calendar, search, category and post. Don't need to edit the template or the php files. 2. Blog Layout 2.1 Angsuman's Multi-Page Create multi page for a single article. 2.2 Page Link Manger Option to exclude page from site navigation. 2.3 Static Front Page Make one of the pages to be static front page. 2.4 CMS (Content Management System) It is a theme with incredible customizability to be a framework for building a blog. 3. Anti-spam 3.1 Akismet The default spam killer, need WP API key to work 3.2 Spam Karma 2.2 (SK2) Very flexible configuration with other additional plugin to extend Karma function. 3.3 AuthImage Copy & paste 10 lines of code to your comment.php file. 3.4 Email Immunizer Plugin will filter the email addresses within the WP files and convert them into numeric character references to combat the email address harvester. 3.6 Non Numeric Name Comments submitted with user id containing numerals will be flagged as spam and discarded. 3.7 Impostercide Multiple accounts with same email address? This plugin will check the name, email, and URL to prevent spoofing. 4. SEO 4.1 All In One SEO All In One SEO Pack is a Wordpress SEO plugin that automatically optimise your Wordpress blog for search engines such as Google. 4.2 Yoast SEO The most complete Wordpress SEO plugin, Yoast's Wordpress SEO plugin is an all in one SEO solution for your Wordpress blog, used by experts worldwide. 4.3 Jerome's Keywords Associates post with keywords and more. 4.4 Tags in the Head Use together with Jerome's keywords to provide better Meta tags for the search engines. 4.5 External links plugin Identifies and enhances your outgoing links. 4.6 SEO Title Tag Inserts search engine optimized title tags using custom field, tag name for tag pages generated by UltimateTagWarrior plugin. 4.7 Ultimate Tag Warrior Ultimate Tag Warrior generate tags while the post is being written. 4.8 Head META Description Insert HTML META description tag: excerpt/content brief for post, page, description for category, and blog tagline for everything else. 4.9 Angsuman's Permanent Redirector Http permanent redirect for moving post or page. Page rank will also be transferred to the new static page. 4.10 Dean's Permalinks Migration This plugin will generates a "301 Redirect". When user or spider visits your site through the old indexed page, they will be redirected to the new Permalink of the same post. 4.11 Google Sitemap Generator The Google Site Map site map help the search engine to spider your site. 4.12 Landing sites According to the referred traffic from SE, intelligently present posts according to visitors search terms. 4.13 Permalink Redirect This Ensures that pages and entries are always accessed via the Permalink. Otherwise, a 301 redirect will be issued. 4.14 Bunny's Technorati Tags Keywords tag for Technorati. 5. Business Oriented 5.1 Ad Space Manage your Ad space on your blog. 5.2 AdRotator Rotate your Ads including Adsense. 5.4 AdSense-Deluxe Insert Google or Yahoo ads into your post. Manage when and where they display. 5.5 AdSense Beautifier Display attractive images next to your AdSense ad. 5.6 Chitika eMiniMalls Sidebar widget Display Chitika eMiniMalls on your widget sidebar. 5.7 CafePress Sell your own CafePress merchandise or their affiliate products. 5.8 aLinks Tag your key phrase and embedded your ClickBank, eBay, Amazon, CJ, Linkshare. Turns commonly use phrases into links to Amazon, eBay, Clickbank and more. 5.9 Angsuman's Authenticated WordPress Plugin Password protect your blog, good for a subscription based blog. 5.10 SmartRss Take multiple RSS feed sources and auto-post to blog. 5.11 e-Commerce lite Integrated shopping cart for selling products or services 5.12 WP-Amazon Add a link to Amazon product below your post. Based on keywords, author, artist, ASIN, UPC. Remember to edit the default author's referrer ID and replace with yours. 6. Announce Yourself & Get Popular 6.1 Subscribe me Allow your blog readers to subscribe to your blog, or add your blog to their RSS readers. 6.2 Digg This The popularity depends on the post being digg. Detects incoming links from Digg and provides a link back so people can Digg your post. 6.3 DiggBadge Displays your Digg profile information in the sidebar of your blog. 6.5 Socialize-it Submit once here instead of one by one to the bookmarking sites. 6.6 Better Feed Give options to enhance your feed output. 6.7 Rules Another blog network or community that helps each other's blog with popularity and traffic. 7. Email and Marketing 7.1 WordPress Email Notification Plugin allows people to be notified when a new entry is posted. Secure the contact form with the next plugin -7.2 7.2 Secure Form Mailer Plugin For Wordpress Secure the blog Contact Form to prevent it from being used to send spam mails. 7.3 subscribe2 The plugin provides a robust subscription management system for WordPress blogs. Wp-cron is needed for daily status and the future post notifications. 7.4 WP-Cron Allows update to database at a preset time. A helper plugin for other plugin needed database update. 7.5 Not-To-Me Not-To-Me suppresses comment notification emails when the blog admin posts a comment. Scroll down to middle of page. 7.6 cat2email Link a blog to a mailing list, the blog owner associates an email address with each category in the blog. When a new post is added, an email will be sent to whoever is defined for that post's category(s). Scroll down to end of page. 7.7 ShiftThis SMTP Swift (Gmail Compatible) For those who needs to use an SMTP server for sending mail on there blog, or to use Gmail's SMTP service. 7.8 WP Campaign Monitor Email newsletter/ SMS tool built for WP users who want to send campaigns, track the results and manage their subscribers. 7.9 Autoresponder Plugin Put a newsletter subscription form for subscribers. 7.10 Newsletter Manager Integrates a newsletter manager to your blog. 7.11 Survey manager Put a survey on your blog. 7.12 Testimonial manager plugin Randomly display testimonial to your side bar 8. Site Navigation and Post 8.1 An Advanced Search plugin This advance search plugin allows user to input search options. 8.2 Automatic Site Map No, this is not a sitemap for the search engines. It's a site map for your visitors; help your visitor to navigate around your blog, especially a blog with tons of posts. Needs PHPExec to work. 8.3 PhPExec Execute dynamic php code in post. 8.4 Search Meter Keeps track of what your visitors are searching for. After you have activated this plugin, you can check the Search Meter Statistics page to see what your visitors are searching for on your blog. 8.5 Popularity Contest Define post view & its popularity to see which of your posts are the most popular. 8.6 Breadcrumb Nav XT Breadcrumb navigations show the visitor's path to their current location back to home page. 8.7 Breadcrumb Breadcrumb navigations show the visitor's path to their current location back to home page. 8.8 Related Posts Current version 2.04. Returns a list of the related entries based on active/passive keyword matches for the visitor. 8.9 Random Posts Random select a configurable number of posts from a specified category. Scroll down to middle of page. 8.10 Movable Everything Make everything you specify movable in a separate window. Useful when reply to a comment. 8.11 Most Popular Categories By Posts Lists the most popular categories based on number of posts assigned to each category within a user-configurable time period. 8.12 WP-Print Allow your post to be printed by reader. 8.13 Fuzzy Recent Comments Plugin Displays recently commented entries in your sidebar 8.14 Event Calendar 3 Dynamic Ajax calendar list upcoming events, normal blog post, WP widgets support. 8.15 WP-Forum Integrate a forum into your blog. 8.16 RS Discuss Self-contained entire forum integration, seamlessly merges with your existing theme. 8.17 XDForum Adds a forum to your Wordpress blog similar to phpBB and vBulletin. 8.18 Live Comment Preview Get live comment previews on your blog. 8.19 Wordpress Global Translator Support 9 languages: English, French, Italian, German, Portuguese, Spanish, Japanese, Korean, and Chinese. 9. Pictures, Video And Sound 9.1 Lightbox JS version 2.0 Overlays images onto the current web page or post. The results of the display images are amazing. 9.2 WPG2 Gallery 2 Images share photos, videos on your sidebar or post. Allow users submission with management. 9.3 Flickr Photo Album Pull your Flickr album & display on your blog. 9.4 Flickr Post Bar Show your image collection within your editor for easy post writing. 9.5 Flickr Related Images An image grabber matches your Techmorati tag and finds 3 images for your post. 9.6 Taragana's Del.icio.us mp3 Player Play mp3 within your post, page and give a user the option to submit tag to Del.icio.us. 9.7 Audio Player Single track mp3 player, good for podcasters. 9.8 Automatic WP Player 3.0 Another MP3, WAV player for your blog. 9.9 Cool Player Support a collections of format. Scroll down to the middle of page for English illustration. Media support: Google Video, Youtube Video, vSocial Video, ASF, ASX, WM, WMA, WMV, WAX, WVX, OGG, APE, AVI, MID, MIDI, WAV, SWF, SPL, MP3, FLV, RM, RMVB, RA, RV, RAM, SMIL, PDF, FDF, XFDF, XDP, XFD, MOV, QT, MQV, MPEG, MPG, M1S, M1V, M1A, M75, M15, MP2, MPM, MPV, MPA, FLC, FLI, CEL, RTSP, RTS, 3GP, 3GPP, 3G2, 3GP2, SDV, AMC, MP4, SDP, GIF, JPG, BMP, PNG, XPM. 9.10 Extreme Video Formerly Google Video Plugin, support YouTube, Google Advanced Player, FLV, Quick time MOV, Google Java script for Full screen and Flash 7 detection and more. 9.11 Video Blogger Video Blogger is a WordPress plugin that allows for simple video blogging of content hosted by Google Video, YouTube, and vSocial. Key in the video id from the video host and your post automatically embeds a smart player that pertains to the host. 9.12 VideoPop This plugins lets you create links that open videos in a popup window. 9.13 WP-FLV Insert Flash video files (.flv) to post or page. 9.14 WP-Ploop This plugin allows .movs and .swfs to be displayed inside posts and pages. 9.15 WPvideo Insert flash videos from YouTube, Google Video, Metacafe to your post or pages. With options to display title, author, description and let users download the video using DownThisVideo. 9.16 YouTube Brackets Send YouTube videos to your blog directly from YouTube.com. A podcasters dream plugin with long list of features. Full featured and automatic feed generation (RSS2, iTunes and ATOM and BitTorrent RSS) Preview of what your Podcast will look like on iTunes Podcast Download stats Support for Premium Content (Pay Only) Makes adding a Podcast to a Post very simple View MP3 Files ID3 tags when your Posting Control over where the player will display within your post and what it will look like. Support for various formats, including Video Podcasting Supports unlimited number of media files. Automatic Media player for MP3, MP4, MOV, FLV, ASF, WMV, AVI, and more, with inline and Popup Window support. Preview image for videos Support for separate Category podcasts Audio Comments 10. Statistics 10.1 WP-Stats Display your WP stats. 10.2 Google Analytics Google Analytics gets detail stats of your blog. 10.3 The Mint Get report of your blog's visitor, referrer, and search....cost $30.00. 10.4 Slimstat Sophisticated detailsedblog statistics Read to save $30.00 | ShortStat vs. Mint | 11. Admin Control Panel Skin 11.1 WP Tiger Administration Beautify your WP admin theme. 11.2 SpotMilk Another beautification skin replacement of your Wordpress Admin Panel. 11.3 Wordpress Admin Dashboard Replacement Replace default control panel with the Light weight fast Admin panel to avoid resource hogging. 12. Maintenance 12.1 Maintenance Mode Let your blog be temporary unavailable while you're doing the dirty work. 12.2 Unavailable for Maintenance Custom message display to visitors for temporary blog maintenance, admin is still accessible. 12.3 WP-DBManager Direct access from within WP admin to backup, restore and tune the DB. No need to login to Hosting Cpanel. 12.4 Smart Update Pinger Replace the default pinger, allow editing to published posts without pinging. Details ping report for ping list and error. 12.5 Fancy excerpt plugin Replaces the default excerpt of Wordpress. 12.6 Frame buster plugin The frame buster plugin for WordPress prevents your site from being loaded in a frame. 12.7 Unfancy quote plugin Lets you override the Fancy Quote of Wordpress. 12.8 Add Copyrights To Your RSS Add copyrights to your feed, deter content-stealer. 12.9 Subscribe to Comments 2.0 Allow user to subscribe to comment with email notification with robust features to admin & user to avoid spam. 12.10 deUncategorize Prevent the recent posts from falling into the uncategorized category. uncategorized, top right corner. 12.11 Search Meter Keep record of what your readers are searching for, or configure it to show the popular search terms. 12.12 BH Category Dropdown Widget Help organize the category display on side bar, it gives you a drop down menus for the categories instead of spreading all over on the side bar. 13. The Tools 13.1 TurboWPthemerator A Unique Template System, you can configure the header graphics, the positioning of left or right side bar and its components with just a few clicks. 13.2 Instant Niche Headers When a visitor lands on your site, the first thing they see will be your header. The statistics show that you will only have mere seconds to attract your visitors to stay on your site. It is the first impression that you present your site before your visitor will have a chance to browse the contents of your site. Get a matching Niche Header to better represent your site and grab the attention of your visitor to hold them to your site. 13.3 Instant Blog Theme Do you have problem come up with the blog themes to match your niche blogs? You don't want your blog to look like the rest of the millions. Instant Blog Theme is the solution to solve your problem of the over used stock themes. A well design theme matching blog theme will ensure the stickiness of your visitors, attract them to browse your contents. Source: http://www.al-edu.com/wp-content/uploads/2014/05/118-Wordpress-Plugins.pdf Best Wishes and Happy Blogging!