HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
SocialRank Market Intelligence for Twitter - Enter any handle. Sort & filter their followers. Try @pmarca
SproutSocial - Sprout Social is a social media management tool created to help businesses find new customers & grow their social media presence. Try it for free.
ExactBuyer - Real-time B2B and B2C audiences & intelligence
Buffer - Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.
Precedent.io - SaaS content marketing, on autopilot