Quarterly Tax Calculator Bot - Quarterly tax calculation for freelancers
Freelancer Stack - Curated directory of tools used by 10,000+ freelancers
Stripe Atlas Taxes - Help file your business taxes
Hourly - Find out how much you should charge per hour
Social Media Pricing Calculator - Planable, along with pricing experts from Soft Fight, built the pricing calculator that agencies & freelancers need.
The Standard Freelance Contract - The first common standard service agreement