tinySpell!

Grammarly Editor is an automated proofreader that corrects contextual spelling mistakes, checks for more than 250 common grammar errors, enhances vocabulary usage, and suggests citations.

Free proofreading tool for LibreOffice, Apache OpenOffice, Mozilla Firefox and Google Chrome. Also available as a standalone application. Supports about 20 languages (on different levels) and allows customization.

A tool to check creative and technical writing for potential improvements.

AnySpell adds spell checking capabilities to any application in Windows that uses edit boxes - in any language supported by OpenOffice dictionaries.It can also be used by developers as a library to add spell checking capabilities to their applications.

ProWritingAid is your free online writing editor and personal writing coach. Of course it checks your grammar but it does much more to help you improve your writing:

Grammar & Spelling Check; Free Online Proofreading; No Downloads...Allows you to find those pesky mistakes and correct them before your teacher does...

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!

Speckie is the first and only dedicated, real-time spell check solution for Internet Explorer and Outlook.

This is a grammar checker that correct mistakes in your writing.

Ever struggled to find the correct spelling of a word? Did You Mean is here to help. Just right-click and find Spelling Suggestions.

Spelling checker. Checks HTML, TeX/LaTeX, RTF, and ASCII (plain text). Hotkey spell checking in WordPad, Notepad, Email, browsers, etc.

cocoAspell is Mac OS X interface to Aspell – A more intelligent Ispell – that is being developed by Kevin Atkinson. Aspell is an Open Source spell checker designed to eventually replace Ispell. Its main feature is that it does a much better job of coming up with possible suggestions than Ispell does. In fact recent tests shows that it even does better than Microsoft Word 97's spell checker or just about any other spell checker I have seen. It also has support for checking (La)TeX and HTML files, and run time support for other non English languages. »

SpellCheckPlus is a grammar checker that finds common spelling errors and grammatical mistakes in English.

StyleWriter edits any document. Articles, press releases, resumes and cover letters, technical manuals, speeches, ads, sales letters, proposals, legal documents, corporate communications - you name it, StyleWriter can help edit it. Within seconds of launching, StyleWriter has analyzed your documents for thousands of style and English usage issues