Personal Hunt - Your personal Product Hunt leaderboard
Pulno - SEO Audit and Website Analysis. Pull up your SEO.
500 Products - A list of the Top 500 Products on Product Hunt
LinkChecker - LinkChecker is a free, GPL licensed website validator.
Product Hunt Leaderboard - The top products, hunter and makers.
Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.