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REAL PRODUCTS. PUBLIC SOURCES.

Explore revenue-backed businesses.

Public income figures, clear source context, and business case studies for independent founders.

Read the business case studies →How we source the data ↗
Real projects86
Source-linked business profiles
Revenue disclosures86
Original metric & reporting context
Open-source projects5
Public code, different business models
Repository signals3
GitHub snapshots, not growth claims
All projects 86Public revenueOpen source
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4 projects matching “Newsletters”

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Save a project to your shortlist, or select up to three to compare.

Buttondown ↗

Publishing

An email newsletter service focused on the writing routine.

> $1,000,000ARR · USDFounder interview published September 17, 2026; cutoff not specified
Researched profile Founder first-person self-disclosure in published interview
Free + paid

Ghost ↗

Publishing

Publishing that connects a website, newsletter, and membership.

$929,198Monthly run rate · USDUndated public dashboard
Researched profile Company disclosure☆ 55,562
Open source + hosted

Kit ↗

Marketing

Email marketing built around a creator business.

≈ $887,000MRR · USDHistorical milestone: year-end 2017 (ConvertKit)
Researched profile Founder-reported historical milestone
Free + paid

Leave Me Alone ↗

Productivity

Unsubscribe from unwanted emails and manage the newsletters that remain.

≈ $10,000Monthly revenue · Unspecified $monthly turnover around January 2023
Researched profile founder-disclosed
Short-term passes and subscriptions

Figures are source disclosures, not audited by MRRTrace. Revenue is not profit. Revenue sorting uses the selected metric and currency (default: USD MRR); other metrics follow alphabetically. GitHub stars measure repository interest, not business success.