Acymailing - AcyMailing is a Newsletter and email marketing extension for Joomla and AcySMS, send SMS within Joomla website
Google Forms - Simple web forms from Google.
SmartBar by SumoMe - The easy way to ask people to join your email list
WP Plugin Directory - A smarter way to find WordPress plugins
Jotform - Free Online Form Builder & Form Creator
AmaLinks Pro - All-in-one WordPress plugin for Amazon affiliates