Before anything else, I want to point out that while this post will focus on maintaining a contrib module on drupal.org, that is just one of the many ways to contribute to the Drupal proje
If you are doing a lot of theming in Drupal with Sass and Compass, there's a good chance your stylesheets rely on specific versions of gems to compile properly.
Looking to write CSS for your Drupal sites faster and easier, and eliminate common defects? The first step probably involves choosing a CSS preprocessor to make your stylesheets programmable and accelerate the production of code.
Using Drupal as a platform for fundraising and advocacy usually means having to integrate with several third-party systems. Beyond the expense, this creates situations that make it hard to get a complete picture of your constituency.