Sygic Travel Maps - Itinerary planner for independent travelers

Event Hunt - Startups and Tech Events Curated By Locals

Wanderlog - Collaborative travel planner with combined itinerary and map

EventsApp - A simple concise app for creating and sharing events.

Tripsy - Planning your trip has gotten much easier.

Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.