Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.

Wintub - Wintub is one of the popular spots to earn money for watching videos and get cash from Paypal, WebMoney, Bitcoin, and other platforms.

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.

Irazoo Watch Videos - Irazoo Watch Videos is one of the smart platforms that offer you a chance to make money by watching or posting your content on it.

Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.

CashPlay - CashPlay is a platform that allows developers to integrate worldwide skill-based player-to-player cash tournaments into mobile and online games to monetize their audience.