The OSToolbar is a Joomla 2.5 and 3 extension. It's a great way to provide OSTraining videos to your customers directly within their sites.

OSDownloads is an extension for Joomla 3.0 and 2.5 which helps you to provide downloads in exchange for an email address which is sent to MailChimp.

OSTimer is a Joomla 1.5, 2.5 and 3 countdown module that allows you to countdown to a particular event. You can choose the year, month, day, hour, minute and even the second at which your event begins.

OSDonate is a Joomla 1.5, 2.5, and 3 Paypal Donate Button. It is packed with features, simple to use, and can even hover in a fixed position on the page.

OSContent is a Joomla 2.5 extension for creating and deleting articles and categories in bulk/mass. You can even create menu items for the newly created content. It also comes with the option to use a WYSIWYG Editor.

This is a plugin for Joomla 2.5 and 3 that makes it simple to embed YouTube videos into your site. All you have to do is copy and paste the URL of a video from YouTube into your articles.

Offline Override enables you to put the site in offline mode, and enter a keyword to override offline mode without requiring a login.

This module works with the service, PDFMyURL.com, to generate PDF's including images from pages on your site.