- BusinessWeek GMAT Prep - Advice on taking the GMAT test and sample practice tests.
- Graduate Management Admission Council - An educational association provides information about MBA programs, financing, student preparation products and GMAT registration.
- Manhattan Review - Preparation courses in Germany, and MBA admissions consulting.
- The Delta Course - Online GMAT study course, test debriefings, and advice on stress. Practice test with immediate feedback. [Requires subscription]. Offers daily GMAT practice questions by e-mail.
- The Princeton Review: GMAT - Provides classroom and online courses.
- Veritas - Offers preparation and one-on-one tutoring centers.
- Wikipedia: GMAT - Article that gives an overview of the Graduate Management Admission Test.
