Variation to cross sell module is a variation to the original xsell module.

Urls Html - Why it serves "URLS HTML"? I

user interface to change the language files is similar to define_language.php, but is much more easy to use.

Uppercase for the name of customers is to force the creation of the customer name and firstname

UPS Order Tracking allows store owners to add UPS package tracking to there store.

UPS Order Tracking XML is an add-on for customers to track packages in real-time from your osCommerce based site.

Upgrade Pricing fills a gap in OSC for Software vendors and others who want to give their customer a special "upgrade" price for the latest version of a product if, and only if, the customer has purchased the previous version of the product.

Upload and display video extract is an easy way to upload and display extract of video.

United States Format changes the My Account Information page to conform with United States Postal Service standards, such as Zip Code at the bottom.

Update Price per Category - you can update the price of your products grouped by category.

Update Price with search - you can update the price of your products, by searching the products model or title.

Unique Category Descriptions adds a unique category description to every category listing.

Unique Virtual Products - Mod for selling PINs, phonecards, etc.

Unique Attributes - Attributes are now assigned by creating options in Product Options, addingvalues to the options in Option Values, and assigning these attributes

Unallowed Payment - the administrator has the possibility to block certain payment modules for individual customers.

Under Construction Pages is created because i did see the need to be able to change a single file without shutting down the whole site like with the Down for Maintenance contribution.

UltraPics and HTML Editor - A Full Copy-Paste Solution for Installing MaxiDVD WYSIWYG and UltraPics on a Clean MS2 2.2 Installation.

Translator Login allows to create accounts for shop translators.

Transmission pursuit - The customer in order history a left indicated it to package/transmission pursuit leads

CTT, UPS, Fedex 1.0 - Tracking in order history 1.0 - CTT, UPS, Fedex let you insert up to 3 track ids per order status update.

toplevelsubcategories - Simple contribution to add subcategory links to the top-level page

TotalB2B adds B2B capabilities to osCommerce.

Timestamp shows how long a page takes to load and is useful in determining if your site is too slow for some connections.

Timestamp after address changes - If you want to sync the data from the osc to your local databases, you need to know when the user changes its address data.

Time Zone Offset allows you to set a time zone offset into the cart if you are in a situation where your store is in a different time zone from the server on which it is hosted.