Buzzstream - Build Relationships. Build Buzz. Web-based software that helps the world’s best marketers promote their products, services and content.
FameBit - Easiest Way to Find, Hire, and Work with YouTube Influencers
BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
Meltwater - Media monitoring, social media monitoring & media Intelligence products & tools help companies grow and build brands by listening, understanding, engaging and benchmarking their customers, markets and social business communities.
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
GroupHigh - Find bloggers and social media influencers, research and review websites, measure content and the results of influencer marketing and blogger outreach.