New Desktop App Helps You 'CYA' ToneCheck is the e-mail noodge that will save you from yourself.

Oh, the testy e-mail. We get them, we send them, we almost always regret them.

And since it looks like we'll never learn, the next best thing could be ToneCheck--a judge-y new e-mail plug-in from Lymbix that flags emotionally charged words and phrases, giving you a second chance to sound like a nice person.

Intrigued, Entrepreneur gave it a whirl.