This blog is written by GMAC, the company that produces the GMAT.

GMAC's Official GMAT Blog

In addition to general GMAT information, this blog discusses GMAC's GMAT prep products and a variety of GMAT related products.

1. Beat the GMAT

Beat the GMAT began as a blog and has two different GMAT themed blog feeds, one for content from GMAT prep companies and another for content from GMAT tutors.

Since content from multiple blogs is all gathered on one page, it saves you the hassle of visiting each blog individually.

2. GMAT Club Blog

Like the Beat the GMAT blogs, the GMAT Club Blog aggregates blog posts from different GMAT prep companies such as Knewton, Accepted.com and Aringo

3. GMAT Pill

GMAT Pill content is also frequently included in the GMAT Tutor Blog section of Beat the GMAT.

4. Manhattan GMAT

Manhattan GMAT's blog content includes practice problems, links to free GMAT resources, giveaways, and interviews with authors of their study guides.

5. Magoosh GMAT Blog

Magoosh is a video subscription GMAT and GRE prep service.

Their blog, which is updated several times a week, offers many GMAT tips and tricks, as well as several articles on the upcoming integrated reasoning section.

6. Crack Verbal Blog

The blog from GMAT prep company Crack Verbal not only covers GMAT-related content, but also has articles on other MBA admissions related topics such as tips from successful applicants and essay help.

7. Veritas Prep Blog