Communications and marketing are necessary for raising awareness about an organization and its mission.  Effective communication will promote your mission and connect you with your constituents, funders and other stakeholders.

• Create a Communication Plan - toolkit by Energy Star
• Ten Steps to Stronger Nonprofit Communications - outline of communication strategy by Social Edge
• Using Social Media to Meet Nonprofit Goals: The Results of a Survey - report by Idealware
• The Networked Nonprofit - book by Beth Kanter and Allison Fine ($)
• The Nonprofit Social Media Decision Guide - workbook to assist with evaluating appropriate social media channels for your organization by Idealware and Balance Interactive
• The Communications Toolkit - guide to communications for nonprofits by Cause Communications

• Beth's Blog - blog about nonprofits using Social Media to power change
• Charityhowto.com - social media webinars and training videos
• Blogging and social media policy - sample policy by About.com
• IdeaEncore Network - samples and how-to articles shared by nonprofits
• Internet and email policy - sample policy by About.com
• Change.org - grassroots advocacy petitions and tools
• Idealist - information on nonprofit careers, volunteering, events and resources
• Causes.com - create grassroots community causes and engage donors and volunteers
• Global Giving - fundraising site that gives nonprofits worldwide a change to raise money