Lists of words commonly found on the GRE.

Offers for download a freeware program with a customizable wordlist.

Offers a large vocabulary list in a sound file in mp3 format.

Offers a freeware program for vocabulary review including a customizable and sortable wordlist. Also sells a CD of the program to students in India.

The official site by Educational Testing Services (ETS). Test registration, information for policymakers and teachers, and sample questions.

Reviews of mathematics, geometry, and algebra concepts as well as tips and tricks to use on the GRE and some practice problems.

Personalizable word lists, flashcards, and multiple choice questions to help with vocabulary learning.

Large and small vocabulary lists for the GREs and TOEFL as well as over 1000 practice antonym questions.