BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
Treo - Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.
Dead Link Checker - Check for broken links on any website
Website Grader - Grade your website's strengths and weaknesses in seconds.
LinkChecker - LinkChecker is a free, GPL licensed website validator.
X64dbg - X64dbg is a debugging software that can debug x64 and x32 applications.