Facebook for Business - Facebook Business gives the latest news, advertising tips, best practices and case studies to meet the business goals.

Setalist - The easiest way to make awesome lists for the internet

SocialPilot - SocialPilot is an app designed to help businesses and professionals with social media marketing.

Hunter TechLookup - Create lists of websites by technology for free

Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.

Techmap.io - Techmap is a workplace search engine to find companies using technologies (e.g., Rails, PHP, Java, etc.) that are used internally. Finally, a "Google for Workplaces" that helps people find a place to work with technologies they love!