Screaming Frog allows you to get started for free, but limits some features found in the paid plans. Screaming Frog is a website crawler that identifies SEO issues like broken links, duplicate content, and redirects.
Partially. Screaming Frog has a free version or free trial, but you will need to pay for advanced features.
Usually, free tiers do not require a credit card. Check their official site to be sure.