Not all plugins created equal and while all of them enhance [tag-tec]WordPress[/tag-tec] core functionality in one way or another some go way beyond and take [tag-tec]blog[/tag-tec] platform beyond its intended use be it a new way to present content, earn via AdSense or other affiliate programs, etc.

What you are about to read is my view of what innovation is and my personal opinion based on my own experience with these plugins. I’m creating it as much for my own reference as for your enjoyment. Perhaps you will find some of them useful to your bloggin efforts and disagree with me on others. Either way I welcome your comments and contributions.

If you think I have missed a [tag-tec]plugin[/tag-tec] that fits this list – please provide a link in your comments, as I’m sure everyone would love to know about it.

  • FeedSmith – formerly known as Feedburner Feed replacement this plugin is a must have to extend options available for your RSS feeds. Perhaps one of the most useful functionalities of this plugin is extended stats about your feed readers.
  • Sphere Plugin is an easy to install addition that increases contextual value to your visitors by scanning your content and on-click generates a list of related articles. Without the need to write anything extra you get opportunity to give your visitors what they are looking for – information.
  • Ultimate Tag Warrior and Tagalize It – these 2 in my opinion should be combined as once you install them – your blog turns into super tagged traffic machine loved by Technorati. Use of these plugins takes your WordPress blog into Web 2.0 generation and provides a way to easily identify all your posts.
  • Share This – This plugin will allow your visitors to share your content via social bookmarking sites and/or e-mailing the post to a friend. Provides support for multitude of social networks without taking much of your precious blog real estate.
  • Spam Karma 2 is one plugin I can’t imagine myself without. Once installed and activated with default options it has completely removed any comments SPAM from my blog while allowing everyone to comment without any issues. In over a month of usage I have only had one false positive, easily recovered.
  • An-Archos – Anarchy Media Player plugin for your WordPress blog. One of the most feature-rich media player’s available, with excellent support and frequent updates. If adding all forms of video is important to you, I highly recommend you check this one out.
  • PodPress – install this plugin to turn your blog into ultimate podcast platform. With complete support for iTunes, mp3 and other popular podcast formats it gives you freedom to create and capitalize on one of the most popular trends on Internet.
  • GaMerZ WP-Plugins. There are too many to list here and each one is of excellent quality with great documentation. While each of them extends only small functionality of your blog I have found myself using so many of them that their combined effect makes these plugins a true modification of my blog. They are independent from each other and can be installed as needed, so feel free to pick what you like.
  • AdSense Deluxe – most of the bloggers rely on AdSense for a source of income or as simply a way to at least partially pay for their efforts. AdSense-Deluxe is a WordPress plugin offering advanced options for managing the automatic insertion of Google AdSense or Yahoo Publisher Network (YPN) ads to your WordPress posts.
  • All in One SEO Pack – search engine optimization is a must for your blog. This plugin takes care of some of the most daunting tasks associated with this effort and gives you freedom to do what you do best – write great content.
  • Page Link Manager – yes, I consider this one an innovation! WordPress is great but I have found that controlling pages is not an easy task and requires some manual intervention and code editing. This plugin will become your savior when it comes to solving this problem. Now you can decide which pages are displayed in Navigation and which you can add to credits.
  • Automatic Stats – extends core functionality of your blog and gathers stats on your blog that actually matter to you as blog writer. But the best part is – all stats are hosted by WordPress and don’t take up any of the resources on your server.
  • WP-Translate is a simple drop in way for users to view your blog in their language. Its easy for any most users to add this functionality to their site. I haven’t tested it with latest version of wordpress so any comments on this one would be appreciated.
  • WordPress Mobile Edition creates a version of your blog easily readable in PDA and new breed of cell phones that become so popular now days.

And last but not least a small trick that provides you access to extended functionality of WYSIWYG editor that I have found on Solo technology:

  • To enable additional formatting options in your WordPress editor simply hit alt-shift-v (Firefox) or alt-v (IE) to toggle extended editor.

Please remember that this post was created to provide list of WordPress Most Innovative plugins, if you are looking for a more extended list of plugins that make your blog rock visit my WordPress Web 2.0 Guide. Now I leave the floor for your comments. Let’s see how many I missed!