One of the greatest things about WordPress is how extensible it is through it’s plugin and widget system. There’s a widget for almost everything. Unfortunately, sometimes there are so many widgets that it makes it hard to find the best WordPress widgets in the massive sea of options. Here, in this post I have compiled a list of some useful free trackback widgets for wordpress.

There are a number of great features you can utilize, including displaying site analytics, creating photo galleries and even spell checking your copy, among man others. If you found this article interesting, you can check out some other articles on: Free Facebook Plugins for WordPress, Best Miscellaneous Themes for WordPress, Ranking Widgets for WordPress and Free Halloween Fonts.

1. Antispam Bee

Antispam Bee fends off the comment and trackback spam in WordPress blogs reliably. Reliable and effective alternative.

Antispam Bee
Antispam Bee

2. Greg’s Threaded Comment Numbering

Numbers comments sequentially and hierarchically; handles comments which are threaded, paged and/or reversed. Coders can call the function directly.

Greg's Threaded Comment Numbering
Greg’s Threaded Comment Numbering

3. Simple Trackback Validation

Simple Trackback Validation Plugin performs a simple but very effective test on all incoming trackbacks in order to stop trackback spam. Now with topsy.com blocker.

Simple Trackback Validation
Simple Trackback Validation

4. Quick Post Management

Quick Post Management adds the following links visible to editors at the top/bottom of every page/post enabling one-click quick shortcuts.

Quick Post Management
Quick Post Management

5. SMu Manual DoFollow

This plugin will set all Trackbacks and Pingbacks automatically to DoFollow Links. The user comments will get after X comments from a unique mailaddress automatically DoFollow status.

SMu Manual DoFollow
SMu Manual DoFollow

6. Bad Behavior

Bad Behavior prevents spammers from ever delivering their junk, and in many cases, from ever reading your site in the first place.

Bad Behavior
Bad Behavior

7. Antispam for all Fields

Plugin to reject spam. Port from same author from http://www.phpbbantispam.com. Actually visits the URL from commenter to spider for spamwords.

Antispam for all Fields
Antispam for all Fields

8. WP-Hashcash Extended

WP Hashcash is an antispam plugin that eradicates comment spam on WordPress blogs. It works because your visitors must use obfuscated javascript to submit a proof-of-work that indicates they opened your website in a web browser, not a robot.

WP-Hashcash Extended
WP-Hashcash Extended

9. External Related Posts

External Related Posts takes the category, tags or custom taxonomy from your post (or custom post type) and searches Google Blog Search for related posts.

External Related Posts
External Related Posts

10. Prevent XMLRPC

This plugin completely disables WordPress’s XMLRPC functions, and doesn’t alter or rename any core files. You can enable XMLRPC again by simply disabling this plugin.

Prevent XMLRPC
Prevent XMLRPC