Acymailing - AcyMailing is a Newsletter and email marketing extension for Joomla and AcySMS, send SMS within Joomla website
IntroBar - Welcome and entice visitors from specific sources with an IntroBar.
WP Plugin Directory - A smarter way to find WordPress plugins
Subbscribe - Opt-in form to help you grow your web subscriptions
GetSiteControl - Website popup builder & email marketing suite for ecommerce
UseHoney - Embeddable forms for your website. Design and embed user feedback forms and subscriber forms into your own site in minutes.