Netpeak Spider - A desktop tool for fast and comprehensive technical audit of the entire website.
Integrity - Feature comparison of link checkers for Mac: Integrity, Integrity Plus and Scrutiny
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
Xenu's Link Sleuth - Xenus Link Sleuth checks Web sites for broken links.
Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
WebsiteChecker - Sends you alerts when your website goes down.