Harpoon Revenue Goal Calculator - Freelancers, how much money do you need to make?
Freelance Rate Explorer - Visualize rates for thousands of freelance designers & devs
Quarterly Tax Calculator Bot - Quarterly tax calculation for freelancers
Hourly - Find out how much you should charge per hour
BillFront - Access your app revenue in a fraction of the usual time
LanceID - Show and share your current and upcoming availability as a freelancer with your own status page.