Rates, audience data and booking contacts for AI, developer and indie-founder newsletters — collected one sponsor page at a time, and dated so you know how stale it is.
| Newsletter | Subscribers | Open rate | Main slot |
|---|---|---|---|
| Leadership in Tech | 29,158 | 45.6% | $2,235 |
| React Digest | 22,463 | 49.9% | $1,375 |
| C# Digest | 21,077 | 53.4% | $1,220 |
| iOS Dev Weekly | 40,000 | — | EUR 2,500 |
| No-Code Exits | 13,895 | 39.0% | $500 |
Finding this out yourself means opening forty tabs, hunting for a sponsor page on each, and emailing half of them for a number they never publish.
One sheet: rates, formats, subscribers, open rates, booking method and contact — with the date each one was last checked.
Marketers buying newsletter placements, agencies planning campaigns, and newsletter operators working out what to charge.
Leave your email and I'll send the first batch of listings when it's ready — plus tell me which newsletters you want covered and I'll prioritise those.
One email when it launches. No list-selling, unsubscribe any time.