Dead Link Checker - Check for broken links on any website
Product Hunt - A website that lets users share and discover new products
BrokenLinkCheck - Free Broken Link Checker / Online Dead Link Checking Tool - find bad hyperlinks
Betafy - Where startups meet beta users!
LinkChecker - LinkChecker is a free, GPL licensed website validator.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.