Email distribution management

• Constant Contact
• Intellicontact

Meetings and Teleconferencing

• Meeting Wizard - allows you to set up meetings with others using email invitations
• FreeConference - a "free" teleconference service
  

Surveys (customer, employee)

• Survey Monkey
• Intellicontact
• Zoomerang

Publications

• BizJournals
• Business Week for Small Business
• TradePub - Trade specific publications, many free