Facebook for Business - Facebook Business gives the latest news, advertising tips, best practices and case studies to meet the business goals.
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SocialPilot - SocialPilot is an app designed to help businesses and professionals with social media marketing.
iOS Design Kit - The newest library of native iOS templates
Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
Pencil Project - Single-user mockup / wireframing / diagramming tool