As I had used Eventbrite to organise 2 events before, I find that the system is powerful and almost perfect, so I draft out the features and specifications of what we did based on the Eventbrite. Eventbrite is used to organise general event, there is more specific requirement is not available in Eventbrite, but it extension - Speaker List.
After combining both features, I enhanced the features and make it seamlessly connected from each modules as the "speaker list" in our conference organiser is not an extension, it is a necessary modules.
Eventbrite: eventbrite.com
Speaker List: sched.org
