Chicago Manual of Style 16th Edition / Purdue Online Writing Lab
Complete Discipline Listing / Purdue Online Writing Lab
An exhaustive list of style guide information for documenting sources in different disciplines.
Manuals of Style and Formatting Guides / Sacramento State University Library
A list of guides and links to online style manuals for various subject areas
DupliChecker
FREE. Copy and paste text up to 2,000 words into search box. Can also browse Docx or Text Files.
GLATT Plagiarism Services
FREE (Self-Detection Module only). Requires typing a large block of text into a search box
Google
FREE Copy and paste a large block of suspected text into the search box of Google. Enclose the block of text in quotation marks. Easy but not fool-proof.
Grammarly
FREE. "Grammarly is an automated proofreader and your personal grammar coach.
PlagAware
A pay site, but some free text comparison available with registration. Details on the website.
ScanMyEssay
A pay site. Uses Viper Scanner, covers 10 billion essays.
For more information, please see our Plagiarism 101 guide.