Freework is a simple and easy way to keep track of your daily work - for every freelancer. With this app you can track and log your time on the go. You’ll never forget to start or stop tracking your time. The time tracking tool is free to download.
Firetask combines the advantages of David Allen’s Getting Things Done (GTD)® with proven classical task management features such as due dates and priorities in a unique way.
ProgressBox is a tool to collaborate on tasks for individuals and teams. There is a fully-native Mac app and an iPhone/iPad app as well. It's free to download and try and you can unlock the full app with a one-time, in-app purchase.