Grammarly - Clear, effective, mistake-free writing everywhere you type.
Google for Education - Google for Education takes the cast analytical knowledge of Google and transforms it into a platform that educators can use to better communicate with their students in innovative ways.
Hunspell - Hunspell is the spell checker of LibreOffice, OpenOffice.
Lockdown Browser - LockDown Browser prevents cheating during proctored online exams. Learn how it integrates with Blackboard Learn, Canvas, Brightspace, Moodle, and more.
DSpellCheck - Yet Another Notepad++ Spell-checking Plug-In
Academia.edu - Academia is a website where you can share papers that are written with other users. You can use a Google or Facebook account to sign in to the website.