Punchbowl - A party planning and greeting card website
Invite Share - TechCrunch - Reporting on the business of technology, startups, venture capital funding, and Silicon Valley
Whoozin.com - Free RSVP Online | Track RSVP’s and Sell Tickets for your events and recurring meetings.
Evite - Send online invitations for all occasions by email or text message. Create invites for birthdays, baby showers, save the dates, or customize your own design.
JustRSVP.me - Online Invitations and response tracking for weddings, baby showers, birthdays, parties, and other...
IveTime - Bored? Meet and find friends spontaneously in one tap!