Ddays is described as 'simple and free app that gathers everything you need to plan events with your friends and family' and is an app in the Travel & Location category. There are more than 50 alternatives to Ddays for a variety of platforms, including Online / Web-based, iPhone, Android, iPad and Android Tablet. The best alternative is Mobilizon, which is both free and Open Source. Other great apps like Ddays are Meetup (Freemium), Get Together (Free, Open Source), Stuff (Free) and Openki (Free, Open Source).
Your Sports and Interests Ecosystem. The easiest and fastest way to pursue your passions and do that thing you love. Looking to play a sport, go for a run, sing, dance, play music. You can do all that and more at 100MPH.
Calendify is an event community that brings together individuals and event organizers. Calendify lets you easily create event calendars and publish them in minutes. Anyone can subscribe, share, and comment on them to stay up to date and network with others.
Meeting Application is an easy-to-use app for events of any type and size. It accomodates all information in the size of your mobile device, enhances networking and enables effective change management.