the #1 extension to do RSS Feed stuff for a Joomla! site, create unlimited feeds
Joomla Automatic Articles solution, captures entire articles from RSS sources.
implement independent Twitter interface with some extra killer features
the #1 solution to use the most powerful newsletter PHPlist inside Joomla!
This helps you collect idea/feedback/suggestion from your clients/visitors.
After purchased the product, you will receive a license code. This is the time that you can use the license for download/upgrades.
Some more information you may want to know:
What should you do with the license code?
Why I should do that?