Xenu's Link Sleuth - Xenus Link Sleuth checks Web sites for broken links.
CentminMod - Centmin Mod is a LEMP stack shell menu based auto installer.
LinkChecker - LinkChecker is a free, GPL licensed website validator.
VPSSIM - VPSSIM provides installer enabling users to install LEMP stack on their servers.
Scrutiny - Scrutiny for Mac helps you manage and improve any number of websites. Link check, search, full website spell check, XML sitemap generator, SEO audit
CoreStack - Cloud governance & cloud operations management platform