USMLE Review
USMLE Review is an outline of one-sentence disease summaries of key diagnostic features and treatment options. Many diseases can be used to infect facebook friends by clicking on the red syringe icon.
Alpha Solver
Alpha Solver is a physics problem solver that gives you the answers, shows you the work, and takes care of the units. It's like a tutor you have access to 24/7.
AAMC
The official organization that makes the MCAT exam is the
AAMC. These guys release real, past MCAT questions for practice at
e-mcat.com. It's the best practice MCAT questions you can get.
Student Doctor Forums
Every premed probably already knows about this website. But in case you never visited
Studentdoctor.net, you have to check it out. It's both resourceful and hilariously funny at the same time.