Discover the fastest-growing newsletters
The newsletters winning attention right now in AI, tech, health & productivity, and finance & investing — the ones worth reading, partnering with, and learning from. Hand-picked and refreshed by our editors every week.
📈 This week's ranked reports
Top 10 Fastest-Growing AI Newsletters
The AI newsletters with the most audience momentum this week — the mass-reach dailies still compounding, and the practitioner reads that put you in front of people who actually build with the tools.
Read the ranking →Top 10 Fastest-Growing Tech Newsletters
The tech newsletters with the most momentum this week — the networks selling engineering reach at scale, and the independent analysts whose readers sign the cheques.
Read the ranking →Top 10 Fastest-Growing Health & Productivity Newsletters
The health, fitness and productivity newsletters with the most momentum this week — the science-led lists that carry real authority, and the habit reads with the largest weekly reach.
Read the ranking →Top 10 Fastest-Growing Finance & Investing Newsletters
The finance and investing newsletters with the most momentum this week — the ad-supported dailies buying reach at scale, and the analyst reads that reach people managing institutional money.
Read the ranking →We know which newsletters sponsors actually rebook
Beyond reach, we maintain a database of the newsletters that earn the most rebookings and repeat sponsorships — the truest signal that an audience converts. We track it across every product category, so we can match your offer to the newsletters where that exact audience already pays off.
Book a newsletter sponsorship strategy call →AI (44)
The Rundown AI
The largest daily AI newsletter — model launches, tools, and applied use cases.
Subscribe ↗The AI Daily Brief
Nathaniel Whittemore's daily news and analysis on what's moving in AI.
Subscribe ↗Marketing AI Institute
Weekly read on applying AI to marketing, from Paul Roetzer's team.
Subscribe ↗There's An AI For That
New AI tools and product launches, curated for builders and marketers.
Subscribe ↗Marketing Against the Grain
HubSpot's Kipp Bodnar & Kieran Flanagan on AI-era marketing tactics.
Subscribe ↗Tech (28)
The Pragmatic Engineer
The #1 tech Substack — big-tech engineering, hiring, and careers.
Subscribe ↗Health & Productivity (28)
Finance & Investing (28)
Find the newsletters your audience already trusts
We'll map your product to the newsletters with the strongest rebooking and repeat-sponsorship track record for your category — so your next campaign lands with an audience that's a perfect fit.
Book a newsletter sponsorship strategy call →