Paperless Post - Paperless Post is an online platform for creating custom card and invitations.
Punchbowl - A party planning and greeting card website
Feathr - Feathr is a marketing platform designed just for event organizers.
RSVPify - A powerful and awesomely customizable platform for selling tickets online for your event.
Followme - FollowMe from Ringdale is the complete document output management solution, which provides unrivalled flexibility for organizations looking to reduce costs, increase security and improve efficiency.
Whoozin.com - Free RSVP Online | Track RSVP’s and Sell Tickets for your events and recurring meetings.