Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Unity Ads - Unity Ads allows to supplement the existing revenue strategy by allowing to monetize thr entire player base.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
MoPub - MoPub is a mobile monetization platform that helps publishers drive more revenue from advertising and mobile transactions.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Appodeal - Appodeal is a supply-side platform for mobile apps, that serves and protects publishers rather than advertisers.