Turnitin - Turnitin is preferred by educational institutions around the world for preventing plagiarism. Instructors at all levels of education can request that students use the service to submit papers, and Turnitin checks those papers for plagiarism.

Reference.com - Reference.com is the #1 question answering service that delivers the best answers from the web and real people - all in one place.

Unicheck - The plagiarism checker Unplag scans across the internet, repositories, open sources content and databases. It delivers real-time results and has no cached data.

Microsoft Translator - Microsoft Translator is your door to a wider world.

ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.

Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.