Zoji - As claimed by the developers of this Zoji, it caters online tools to aid you plan activities off-line.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Pingg - Pingg is an online e-cards and invitation maker and invitation sending platform.
Cvent - Cvent's event management software provides event planners with a complete solution to increase event attendance and decrease event costs.
Manvite - As the name of this service suggests, the users can avail easily and simply invite rather than online summons that are blessed with flowery fonts and dabbling champagne glasses.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.