Upwork is a giant freelancer market. They pitch their tracking software as protection for both sides: proof of work. https://www.upwork.com/hiring/for-freelanc

Upwork is a giant freelancer market. They pitch their tracking software as protection for both sides: proof of work. https://www.upwork.com/hiring/for-freelancers/using-the-upwork-team-app-for-payment-protection-and-collaboration/ https://www.upwork.com/hiring/for-freelancers/using-the-upwo...