Have you ever wanted to access SQL tables or views from umbraco XSLT? Or updating tables? Download jesper.umbracoSQL V4 (updated 18. January 2008 twice .... ) 

(it's not a package)

Access Validator (AV) is a small Package for Umbraco 3 which contains 3 usercontrols which makes it easy to control access to umbraco Content.
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Simple mailer enables your newsletter with the ability to merge in all text fields from members. Type in any member profile field in the text editor and it will be merged with the corresponding value when mailed.
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Content dropdown is a single select dropdown. It uses published content for values.  When you define the data type you specify from which nodeid the control should render the child nodes as values/keys.
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