Spam Karma 2– if you start getting comment spam, this tool brings the power of the entire WP community to decipher if the comment is good- or has “Bad karma” http://unknowngenius.com/blog/wordpress/spam-karma/ It’s been abandoned by the developer but still works better than akismet.
FireFTP – a cross platform FTP client for Firefox that allows you to upload themes, plug-ins or update your WordPress install. This link is to the main FireFTP page: http://fireftp.mozdev.org/ however, the easiest way to get an extension for Firefox is to go to your tools menu, click on extensions, then click on get more extensions- you can then search- and install all extensions easily. Firefox is also critical- if you are still using Microsoft Explorer as your primary browser- switch now. http://www.mozilla.com/firefox/
Subscribe to Comments Plug in for WordPress: Want to get a good discussion going on your site- make sure you add this plug-in which will allow your readers to get an e-mail notification each time someone adds to a discussion they want to follow. One post on The Next Wave site has over 150 comments. http://txfx.net/search/subscribe%20to%20comments%202
WordPress shopping carts We’ve given up on WP-ecommerce and moved to Shopp- it’s not free, but it works. http://shopplugin.net/
Mobile Browsers: One of the beauties of WordPress is that you can have your site work in a mobile browser like the iPhone, Droid or Blackberry without building a whole new site just use http://bravenewcode.com/products/wptouch