You can easily create and delegate task for your team.

Integration with Trello allows to track time directly there.

Easy to use, even for a person who doesn't know anything about PM.

Keeps the team up-to-date with their assignments, delivers the highest level of conversations.

Based on keywords users can configure the software to categorize time automatically.

Users can track time regardless of their time and location.

At a glance, the team leader can see how much his team has logged in as well as how much time they have taken off.

Graphical timesheets placed in the calendar allows for an easy visual representation of how much time was used on what tasks on what hours for what days.

There is a free version available with limited functionality that is great for freelancers as well as testing the app. There is also a 30 day free trial for the paid versions for further testing.

TimeCamp can create an invoice based on your project hours. The app will take care of the math for you, you just need to provide it with the rate and tax. TimeCamp can also export directly to Xero or Quickbooks.

This software tracks your activity on PC. You can use timesheets, invite other members to your team, even freelancers.