WOT Web of Trust - Check if a website is safe before you reach it via browser extensions, mobile app and API.
Dr.Web LinkChecker - Download Dr.Web Link Checker for FREE
URL Void - Free website reputation checker tool lets you scan a website with multiple website reputation/blacklist services to check if the website is safe and legit or malicious.
BitDefender TrafficLight - Bitdefender TrafficLight is a free add-on that provides a strong and non-intrusive layer of security to your web browsing experience.
Norton Safe Web - Safeguard against malicious URLs by scanning your feed using Norton Safe Web.
Bedpage - Bedpage is a classified ad posting a website that comes as the alternative to Backpage and offers almost all the major services to post for multiple categories.