SAT*Test - Online forum and information for all SAT subjects. Includes details of how to register for the SAT and test dates. - http://www.sattest.com/
SAT GRE Crash Course - SAT GRE Crash Course teaches 840 frequently appearing SAT and GRE words. It features a study level and five different learning levels. - http://www.sheppardsoftware.com/vocabmania.htm
TopWords SAT Challenge - Free downloadable flash card style game from Huntington Learning Centers that is aimed to help high school students improve their SAT vocabulary scores. - http://www.huntingtonlearning.com/st-topwords.php?
Ivy.com - Online test prep course. - http://www.ivy.com
Collegeboard.com - Register online, prepare with real SAT questions, and get instant confirmation of test date and location. - http://www.collegeboard.com/
Test Scholars - The Bay Area's Test Prep for over 15 years. - http://www.testscholars.com
The Study Hall - Interactive test preparation, including verbal, math, and vocabulary instruction. Free speed reading, memory improvement, and college application and entrance tips. - http://www.studyhall.com
TakeSAT - Provides information and sample questions for the SAT. - http://www.takesat.com/
Taming the SAT - SAT preparation from the University of Southern California's Rossier School of Education, with workshops offered in Northern and Southern California and in the state of Washington - http://www.usc.edu/org/sat/
FreeVocabulary.Com - 5000 vocabulary words for SAT preparation that can be viewed on-line or downloaded for free. MP3 audio version also free. - http://www.freevocabulary.com
Test Prep SAT, PSAT, ARE - Offers comprehensive flashcard test prep study systems for the ARE and the SAT/PSAT. - http://www.nalsa.com
The Wordsmyth S.A.T. Dictionary - Includes 2000 words commonly appearing words on the S.A.T. - http://www.lightlink.com/bobp/wedt/sat.htm
Syvum - Interactive learning material for preparation of the verbal and math sections of the SATs. - http://www.syvum.com/sat/