AddThis - AddThis free website tools include share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.
AppNexus - AppNexus technology powers the most innovative trading solutions and marketplaces for Internet advertising.
Shareaholic - Shareaholic is trusted by over 300000 brands, businesses, agencies, and individuals to grow website traffic and engagement 24 hours a day, 7 days a week.
Metamarkets - We help programmatic buyers, sellers and marketplaces make better decisions in real-time.
AddToAny - Share buttons by AddToAny, the universal sharing platform for websites and apps.
Kevel - Kevel's APIs make it easy for engineers and PMs to quickly launch a fully-customized, white-labeled, server-side ad server.