"Postcodes4U Address Finder" lets you look up an address using a UK Postcode. Includes WooCommerce Integration and a Contact Form.
Check Domain WHOIS Lookup for availability. Simple insert the [pwhois] shortcode on a page or post
Plugin to reject spam. Port from same author from http://www.phpbbantispam.com Actually visits the URL from commenter to spider for spamwords.
Give your visitors the ability to lookup US Congress members for specific zip codes and addresses.
The plugin allows a user to install a VoIP Call Charges calculator by widget or short-code.
Site reorganization-proof internal linking via shortcodes, referencing page/post IDs.
Check if a visitor is listed on httpBL.abuse.ch, see http://dnsbl.abuse.ch/faq.php#about_httpbl for more information.
Add country flags anywhere in your WordPress blog using simple shortcodes and/or widgets, or show visitor country flag based on their IP address.
Easily reference a PHP function and have it displayed in a styled tooltip on hover.
This plugin allows you to add a thesaurus lookup to your sidebar, or anywhere else. Thesaurus service provided by words.bighugelabs.com.