Site Rank Data - View historical rank information of websites via time series charts.
SOOMLA - Software platform allowing mobile app publishers who work with multiple ad networks to receive the advertising revenue per user.
HypeStat - HypeStat is free statistics and analytics service, where you can find information about every website.
TargetingMantra - Show the right product to the right user at the right time
Q-Stats - Get free marketing insights for every question on Quora.
Apsalar - Mobile Data Management Platform.