AJAX Spell
Use AJAX spell checker to check the spelling of text areas, like gmail message composer, using PHP, Javascript, and pspell / aspell.
The Ajax Spell checks the spelling words entered in the text area. The Ajax Spell check sends a request on the Google's spelling check address 'https://www.google.com/tbproxy/spell?lang=' and displays the results and recommendations according to the result fetched from the google URL.
It supports more than 27 languages.
Using Ajax Spell
The Minimum requirements of Ajax Spell is PHP 5.