Great question! Open source drag and drop functionality currently exists for things like sending emails (via mailgun or mandrill) payments (via stripe) sending

Great question! Open source drag and drop functionality currently exists for things like sending emails (via mailgun or mandrill) payments (via stripe) sending SMS (via Twilio) social auth (via twitter, Facebook, or github) password encryption (via bcrypt) analytics (via segment.com) and over 100 other common functions