Tweetastic - Better Twitter analytics, scheduling and more
ilo - Premium Twitter analytics
Followerwonk - Followerwonk by Moz is a Twitter analytics tool to help companies better understand their Twitter followers.
ClockTweets - Schedule, analyze, and stalk challengers on Twitter
Twitter Ads - Twitter offers targeted ad placement on their ad platform.
Minter.io - Instagram Analytics. Twtitter Analytics. Facebook Analytics