send mail

Send your Mac clipboard contents to your iPhone over WiFi

Send audio from one Mac to another.

Send and receive faxes without hardware. Fax software service. 1st page is FREE

Mail plugin for OmniFocus.

Mail.app plug-in allows sending of secure email.

Encrypt, send, or archive your data.

Easy way to send files.

Free software to send free SMS (and MMS) messages from your Mac

With iMailYourLink, send your link in a click

It lets you send/receive messages instantly and participate in chats.