Document Grader is described as 'highlights areas in your writing that need attention and provide you with either automatic fixes or helpful suggestions so you can fix the text yourself' and is a Grammar Checker in the Education & Reference category. There are more than 10 alternatives to Document Grader, not only websites but also apps for a variety of platforms, including Android, Mac, Windows and Google Chrome. The best alternative is Grammarly, which is free. Other great sites and apps similar to Document Grader are Slick Write (Free), SEO Tools Centre (Free), Editsaurus (Free, Open Source) and Proofread Bot (Freemium).
SEO Tools Centre provides SEO checker services for websites. Here you will find different types of SEO tools: backlink checker, article rewriter, keyword position checker and many others useful services!.
Proofread Bot checks your writing for grammar, style, spelling, statistic and plagiarism issues and gives recommendations to improve your writing. The tool gives you a visual text editing interface and an auto generated textual report for your convenience.
Linguix helps you write better, learn faster, and enjoy your everyday communication with a web app and Chrome/Firefox extensions. The AI-based algorithm will check your writing on millions of websites across the web
This app can be used in self teaching of languages and as an addition to English lessons. With this course one can master grammar easily and learn to build sentences correctly. It will also help to avoid mistakes in oral speech and writing.