Force users to pick strong passwords.

"Enable users to create and manage their own 'groups'. Each group can have subscribers, and maintains a group home page where subscribers communicate amongst themselves"

Not really needed most of the time unless you find that you want to be able to have a prettier way of providing values for multi-value key|value lists.

"Options Element is a module that provides a better mechanism to specify select list, checkbox, and radio button options. Rather than requiring the user to use strange syntax like "key|value" in a textarea, Options Element provides a clean interface for specifying options. Developers may

An online file manager. Can be integrated with WYSIWYG editors. I use it with TinyMCE (requires IMCE WYSIWYG Bridge).

"This module defines the "hierarchical_select" form element, which is a greatly enhanced way for letting the user select items in a hierarchy."

"Define dependencies between fields based on their states and values. "

Use PHP to create computed fields. If you use this, export the configuration so you don't have PHP in the db!

"auto_nodetitle" is a small and efficient module that allows hiding of the content title field in the form. To prevent empty content title fields one can configure it to generate the title by a given pattern.

When the token module is installed it's possible to use various node data for the
auto generated title - e.g. use the text of a CCK field (since 5.x).

Advanced

Combines autocomplete with a 'select or other' type of dropdown. The best / closest thing to select or other that I've found which works for taxonomy terms.

Lets each menu have separate permissions