SEO Analyzer By Neil Patel - A free SEO analyzer for your site
Promotehour - Free list of 1100+ media outlets to pitch your startup
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
Submit Juice - Free and curated list of startup directories to promote your new startup. We manually post your startup to more than 150+ relevant directories and blogs to help your startup get discovered.
Serpstat Website SEO Checker - Check your website's SEO, analyze competitors and keywords
pressfarm - Pressfarm helps entrepreneurs find journalists to write about their startups.