Assay - the URL Inspection tools provide information about whois, subdomain, Ads, HTTP headers, reputation, malware of a website.
em_te
https://dmns.app
shay zeevi
D09r
Bohumil Beran
gyng
https://pentestkit.co.uk/
White Fir Design
Martin Saturka
Stanford HCI Research Group
https://pulsedive.com
http://jacksbrain.com/