Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Day One - A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
Event Hunt - Startups and Tech Events Curated By Locals
Capture 365 Journal - Capture 365 Journal is a beautiful and easy to use diary/journal for the Apple iPhone, iPad, Mac and Android.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Reminisce Journal - Reminisce Journal is a free iOS and Android app that helps you to capture live moments, daily activities, thoughts, ideas and travel logs, etc.