I've seen this granularity problem on every project, product or program I've worked on. Often in non-agile methods it comes it up in the form of traceability requirements on top of the actual requirements.

Awesome library to consume web services in Ruby.

Consent is an access control abstraction layer for ActionController. It lets you restrict access to actions across your application using a single config file, rather than scattering access logic across your controllers using verify() and method-specific logic.

With Flash Player 10, the FileReference.browse and FileReference.download operations may be initiated only through ActionScript that originates from user interaction. This includes actions such as clicking the mouse or pressing the keyboard.

The Secret of Monkey Island takes the same principles of the heroic myth and delivers a story full of wit and humor that has become a classic because of its traditional roots.

Given a list of acceptable elements and attributes, Sanitize will remove all unacceptable HTML from a string.

Cerberus is a lightweight and easy-to-use Continuous Builder software for Ruby. It could be run periodically from a scheduler and check if application tests are broken. In case of failed tests Cerberus sends notification to developers.