tinySpell (Free version) Checks your spelling in any Windows application!
Occasionally you need to check spelling in an application that does not include a spelling checker and you don't 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 installs itself in the system tray for easy access. It comes with an American-English dictionary containing more than 110,000 words.
Operating systems
Version 1.6: Windows 2000/XP/Vista
Version 1.7 (beta): Windows 2000/XP/Vista
Version 1.5: Windows 98
Features:
tinySpell (totally free - no adware/spyware/nagware/etc.)
Checks spelling in any Windows application
Checks spelling on-the-fly (alerts if the last typed word was misspelled)
Checks spelling of text that is copied to the clipboard
Allows you to specify tinySpell disabled or enabled applications (new in v1.6)
Optionally beeps on error (beep sound can be easily set to any wav file)
Opens replacements list with a simple mouse click or a hot-key
Optionally copies the selected replacement word to the clipboard
Optionally inserts the selected replacement word into the document
Allows you to add words to the dictionary
Easy Enable/Disable
Uses little system resources
http://tinyspell.m6.net/