From Sunrise Atelier:
Sunrise is a free calendar made for Google Calendar, Exchange and iCloud. Sunrise also connects with all your favorite apps like Facebook, Evernote, Foursquare, TripIt, Todoist, Trello and more to make sure you're always up to date with all the events happening in your life.
With millions of users around the world, Sunrise is changing the way you manage the places you have to be, the people you want to see and the things you need to do. Whether you're planning your daily schedule or your next trip around the world, Sunrise makes it easy to keep track of everything in one beautifully designed calendar.
Sunrise also comes with Meet, the fastest way to schedule a one-to-one on the go. Meet is a keyboard that lets you select available time slots in your calendar without leaving the app you're in and send them to anyone through a simple link. You'll never schedule meetings any other way.
Sunrise automatically syncs between your phone, tablet and computer, so you can access your calendar from anywhere. It's that easy.