In our classes on e-mail, we regularly discuss "tone". Tone can mean two related issues when writing:
I just read a blog post about a new tool called ToneCheck that can help us with getting the right tone when writing an e-mail.
ToneCheck is offered in the freemium business model: the basic version is free, but if you want more features then you have to pay.
G.A.L.E.S.L. / joe3
Some tips and links on learning English.