xamarians 

Cross platform library to rotate and crop picture taken from camera or gallery

Cross Platform Media Player to play videos in Xamarin.Forms. Supports android and iOS platforms.

Cross platform library to click pictures using camera, pick media files(photo, video and audio) from gallery

Google Sign-In is a secure authentication system that reduces the burden of login for your users, by enabling them to sign in with their Google account, the same account they already use with Gmail, Play, Google+, and other Google services.

Cross platform library to get current location and to continuesly listen to location

Facebook Sign-In is a secure authentication system that reduces the burden of login for your users, by enabling them to sign in with their facebook account, the same account they already use with Facebook.

MapPlus enables you to draw a marker on the map for the location given by the user, it also enables you to customize the map and draw figures like circles, Polygon and Polyline.