The Pirates Chest

Excellent site for APA, CMS, and MLA style rules!
It also has great information on general writing, creating resumes, writing for different
subjects, and ESL resources:
OWL PURDUE ONLINE WRITING LAB
https://owl.english.purdue.edu/owl/

Need help doing research or creating a thesis statement? Check out this site!
WRITE: Research Writing
http://www.write.com/writing-guides/research-writing/organization/

Would you rather watch a video helping you with your grammar issue?
Take a quick look at this great site! (It has clear written explanations too!)
GRAMMAR BYTES
www.chompchomp.com/menu.htm

Confused about a grammar or punctuation issue?
This site has clear, short explanations to help with all kinds of writing difficulties:
WRITE: Writing Guides
http://www.write.com/writing-guides/general-writing/

Online encyclopedia focusing on math and science.
A trustworthy source, unlike Wikipedia!
SCHOLARPEDIA
http://www.scholarpedia.org/article/Main_Page