LanguageTool

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

Freemium $ $ $ Open Source Mac Windows Linux Web Chrome ... Microsoft Office Outlook Microsoft Office Word Google Drive - Docs Thunderbird Vim Sublime Text LibreOffice Apache OpenOffice Firefox

43 Like

Ginger

Ginger Keyboard is the world’s first smartphone keyboard to offer advanced writing tools, including live as-you-type proofreading, alongside standard and advanced...

Freemium Windows Android iPhone Chrome OS Android Tablet ... iPad

23 Like

Druide Antidote

Whether you’re writing a letter or an email, a simple click of a button will open some of the most comprehensive and useful language resources ever created.

Commercial $ $ $ Mac Windows Linux iPhone iPad

12 Like

tinySpell

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...

Freemium Windows

13 Like

PaperRater

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

Freemium Web

7 Like

Grammar Checker Academic

This is a grammar checker that correct mistakes in your writing. English Grammar Checker Are you trying to write that perfect essay for school? Do you need to have...

Freemium Web Android iPhone iPad

6 Like

DSpellCheck

Yet Another Notepad++ Spell-checking Plug-In Following main features: Underlining spelling mistakes Iterating through all mistakes in document ...

Free Open Source Windows Notepad++

SSuite Spell Checker

SSuite Spell Checker is a tiny software program whose purpose is to correct the spelling of any text from the Clipboard with just a click of the button. A lightweight...

Free Windows

2 Like

CocoAspell

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...

• Discontinued The program seems to be no longer updated. Last version, 2.5, released in November 2016, can be still downloaded from the official website.

Free Open Source Mac

1 Like

SpellCheckPlus

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

Freemium Web

Speckie

Speckie is the first and only dedicated, real-time spell check solution for Internet Explorer and Outlook. Real-time spell checking as you type. Spell check with...

• Discontinued The program seems to be no longer updated. Last version, 7.3, released in March 2016, can be still downloaded from the official website.

Free Personal Windows Internet Explorer Microsoft Office Outlook

5 Like

Asutype

Automatic on-the-fly spell checking. Asutype checks and alerts you to any mistake that you may make while typing both audibly and visually so you can optionally take...

Commercial Windows

2 Like