LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
Instaaa - Promote your startup using AI-powered outreach
Mattermark Daily - A curated newsletter of blog posts from investors & founders
Promotehour - Free list of 1100+ media outlets to pitch your startup
Dayblizz - Dayblizz is a social media app for creating, sharing and monetizing content
Submit.co - Find where to get press coverage for your startup