Pulno - SEO Audit and Website Analysis. Pull up your SEO.
Product Runt - A dynamic list of the bottom 100 projects on Product Hunt
LinkChecker - LinkChecker is a free, GPL licensed website validator.
Jety - Tab management, to-do, quick notes and weather for Chrome new tab
BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
BetterSnapTool - 10 Oct 2017 . BetterSnapTool allows you to easily manage your window positions and sizes by either dragging them to one of the screen's corners or to the top, left or right side of the screen.