The COD distribution of Drupal has several immediate, out-of-the-box benefits such as Session tools, Sponsors management, and Conference Registration which make it the obvious choice for anyone running a conference, bar camp, or small event site. If you'd like, see How COD compares to other popular solutions.
such as Etouches and Cvent.

Attendees can submit session proposals, complete with track and experience level, and vote for the sessions they'd like to see at your conference. COD provides a workflow for moderating sessions, making it easy to go from session submission to a list of accepted and fully scheduled sessions.

COD makes it easy to build a grid schedule of sessions times and rooms. Each attendee can add a session to her own personalized conference schedule.

COD's built-in registration workflow makes it easy for people to sign up for your event, enter user profile information, and pay registration fees.

Event organizers can manage attendee lists and keep track of who attended.

Network with other attendees in advance by flagging yourself as their friend, fan and someone who would like to meet up. Share ideas and plan your time in the forums.

Sponsors make your event possible. With COD, sponsors can enter their organization's information and logos directly into the website . Sponsor organizers can approve and publish sponsors with a single click. Multiple sponsor tiers, dynamic logo resizing, and various sponsor displays are built-in.