Zoji - As claimed by the developers of this Zoji, it caters online tools to aid you plan activities off-line.
uberflip - Organize and Centralize ALL of your Content in minutes
Whoozin.com - Free RSVP Online | Track RSVP’s and Sell Tickets for your events and recurring meetings.
CoSchedule - CoSchedule is the #1 marketing calendar that helps you stay organized and get sh*t done. Plan, produce, publish and promote your content.
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.
Rocketium - A DIY video creation platform. Make videos in minutes using preset themes and templates.