Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
Profit First Calculator - Calculate business accounts using the Profit First method
The Standard Freelance Contract - The first common standard service agreement
FB ads budget calculator - Easily calculate your Facebook ads profit potential
Hourly - Find out how much you should charge per hour
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.