Merrium Webster On-line -dictionary, thesaurus & Language Center
Roget's Thesaurus - find the exact word to make your writing more powerful
Online English Grammar - double check those grammar rules
Grammar Rock - learn grammar functions to catchy lyrics

Citation Machine -
The primary goal of this tool is to make is so easy for high school , college , and university students and other researchers to credit information sources, there is virtually no reason not to -- because SOMEDAY THE INFORMATION THAT SOMEONE WANTS TO USE, WILL BE YOURS .