Additional Features we would like to have
Ticketing system : RSVP Pro
Customizing tickets text, design : RSVP Pro
Copy events : JEvents core
Customize booking forms questions and reorder questions : RSVP Pro
Options to make the questions compulsory or not : RSVP Pro
"Sharing with social media (Facebook/Twitter/Email/Google Plus/ical sharing)" : Silver plugins
delegate access (ACL) for more ppl with different access levels to manage the account : JEvents and RSVP Pro
Manage Letters that are being sent out after registration: RSVP Pro
Personalized link for event : RSVP Pro
Preview Events before posting event : JEvents core
Private Events: Silver addon and RSVP Pro
Public Events : JEvents core
Invitation Emails to individuals to register for a particular event. Eg: friends email : RSVP Pro
Greylist (people who receive waitlist letter upon any registration. This gives us the opportunity to filter their participation) : RSVP Pro


Widgets to share events on various sites
Countdown to event : JEvents core
Connect with Google Analytics : Joomla plugins

Print Name Badges
Checkin Attendees (QR or Bar Code) : Code available in RSVP Pro
Bulk Upload of Events (CSV or xls) : CSV or ICal imports in JEvents
Integration with newsletter / mailout system. This allows users to be able to send newsletter to the entire database : Silver addons link to acyMailiing newsletter component
Schedule Email reminders with link to confirmation/cancel for participants : RSVP Pro
Search Engine / Other event sites submission : Club member articles for optimisation in conjunction with Sitemap addon for Joomla.
Option to select total number of tickets required and register additional tickets : RSVP Pro
Mobile friendly - responsive site : Club member layouts with responsive Joomla template
Manual update of participants registrations : RSVP Pro
Preview of the total number of participants booked and the total number of participants allowed : RSVP Pro
Able to look up, how many confirmed, cancelled and how many didn’t show up : RSVP Pro
send out a group email to the retreat participants. Eg to tell them to bring something for the retreat
view total booking and the ones waitlisted : RSCP Pro
able to add a booking for someone who doesn’t have a computer. If possible, it is good if we can do a search for their name so the details come up automatically for the booking : RSVP Pro
connect to an external database : You would need to do this
SMS integration for registration or cancellation : It has been done via emails to an SMS gateway but not a standard feature

So all in all most things doable with a gold membership

If it doesn't do what you need and we can't help you can request a refund within the first month with clubu member forum support available.