Iconosquare - Schedule now. We'll post on Instagram for you later!
Followerwonk - Followerwonk by Moz is a Twitter analytics tool to help companies better understand their Twitter followers.
Grum - Post on Instagram from your computer!
burrrd. - A beautiful UI that provides you detailed twitter analytics.
SocialCaptain - SocialCaptain is an automated Instagram Growth for brands, Instagram businesses, and influencers.
Twitter Ads - Twitter offers targeted ad placement on their ad platform.