Residency
There are hundreds of sites out there with information about the interview process, the residency application, the match etc. This website is primarily designed to teach you how to improve your board scores.

However, to apply for a residency is pretty straightforward. Here are the official websites that contain all the necessary information:

ERAS (Electronic Residency Application System)

NRMP (National Residency Matching Program)

SFMatch (San Francisco Matching Program)

Great published resources:

Getting into a Residency

Personal Statements for Health Profesionals

First Aid for the Match