Asutype!

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.

Occasionally you need to check spelling in an application that does not include a spelling checker and you dont want to launch your word processor just for that. This is when tinySpell becomes handy. It is a small utility that allows you to easily and quickly check and correct the spelling in any Windows application. tinySpell can watch your typing on the fly and alert you whenever it detects a misspelled word. It can also check the spelling of text that you copy to the clipboard. tinySpell+ supports multiple dictionaries. »

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.

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

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

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.

FreeSpell is a spell checker for any and all Windows applications. You can use it in Microsoft Outlook, Firefox, Visual C++, and even in Windows Explorer when renaming files. In fact, anything that supports the clipboard supports FreeSpell, and all it takes is a hotkey to invoke it. FreeSpell is based upon the Aspell engine, which means it offers the best spell checker around for people with weak spelling skills (as well for people who just need a quick proofread). FreeSpell comes with a large default dictionary and has custom dictionary support. »