Skype
Call for free over the internet! Great for chatting, videoconferencing, sending files, and more!
http://www.skype.com

yousendit
Send large files at no cost without an FTP site.
http://www.yousendit.com

FreeConferenceCall.com
Get your own toll free conference call number. Ability to record your conference call.
http://www.freeconferencecall.com

VistaPrint
Low priced printing services. (Business cards, Postcards, etc.)
http://www.vistaprint.com

eFax
Online fax service. Low monthly fee.
http://www.efax.com

RecordMyCalls.com
Low monthly fee allows you to record your telephone conversations and stores them online.
http://www.recordmycalls.com