Many Charities have been using Drupal to rise money. You just need to set up a registration form and linked it to a payment Gateway. You do not need a very elaborated web site, usually a campaign just need a front page with a form. Drupal can be easily be set up, you only need to buy a hosting package to run PHP on a Linux Server and a MySQL database.
Develop a Facebook application with the core Facebook Platform technologies: Social Plugins, Graph API and Platform Dialogs. Let your website interact with the Facebook social network: News Feed, Notifications, competitions and implemet any kind of viral marketing campaigns.
How to develop a Custom Service in Drupal 8
Great expertise in web development, Agile environment, JIRA and project management, Github and SVN. Mostly specialised in Drupal Backend Development with also strong front-end skills in JavaScript, JSON, JQuery, Ajax, HTML/CSS, XML/XSLT.