Four Drupal Modules for Helping Custom Module Development

Module Builder, Drushify, Coder, and API, are four great Drupal 7 contributed modules which make a module developer's job much easier.

Module Builder - https://drupal.org/project/module_builder A module which auto-generates a skeleton or "scaffolding" for a module, along with hints on how to fill them in. This can be incredibly useful for less experienced Drupal developers be providing some examples on how hooks work and where files are organized and structured for Drupal 7 modules.