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 carrying the most reader momentum this week — the million-plus daily giants, the tool-discovery lists serving active buyers, and the technical reads concentrating high-intent engineering audiences.
Read the ranking →Top 10 Fastest-Growing Tech Newsletters
The tech newsletters with the most reader momentum this week — the engineering flagship past a million readers, the multi-edition daily network scaling fastest, and the strategy reads that concentrate operators and founders.
Read the ranking →Top 10 Fastest-Growing Health & Productivity Newsletters
The health, longevity and productivity newsletters with the most reader momentum this week — the science-backed flagships, the daily habit reads, and the evidence-first researchers concentrating high-intent wellness audiences.
Read the ranking →Top 10 Fastest-Growing Finance & Investing Newsletters
The finance and investing newsletters with the most reader momentum this week — the free dailies past a million readers, the retail-investor giants, and the sharp analyst reads concentrating high-net-worth audiences.
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)
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