Business & clients

NewsletterOS

The business desk for your paid newsletter — sponsors, deals, and issues in one native window.

Windows desktop app (.exe) US$20 · one-time

NewsletterOS is a native Windows desktop app for paid-newsletter creators who sell ad sponsorships. One window manages your advertisers, moves every sponsorship deal through a visual pipeline, plans your issue schedule, and tracks the revenue behind it. The hero is a kanban board with a column per stage — Pitched, Negotiating, Booked, Live, Paid — where each card shows the sponsor, dollar amount, and target issue date, and every column header totals its deal count and value.

A live dashboard surfaces booked revenue this month, open pipeline value, your next issue date, and active sponsors. Everything runs offline in a local file, with no account, no cloud, and no tracking. Export any table to CSV, or a branded one-page pipeline-summary PDF.

What it does

  • Sponsorship-pipeline kanban across five stages (Pitched, Negotiating, Booked, Live, Paid) — click a card to edit it or advance its stage; each column header carries its own deal count and dollar total
  • Live dashboard: booked revenue this month, open pipeline value, next issue date, latest subscriber count, and active sponsors, plus a booked-by-month bar chart and a deals-to-chase list
  • Full sponsor management with contact details and status, per-sponsor deal count and booked total; deleting a sponsor cascades to its deals
  • Issue schedule tracking each edition's send date, status (Planned, Drafting, Scheduled, Sent), and recorded subscriber count
  • Export any table to CSV, plus a branded one-page pipeline-summary PDF
  • Fully offline by design: all data stored locally in your app-data directory — no account, no cloud, no telemetry
US$20 one-time payment · yours to keep forever · Windows desktop app (.exe)
  • 14-day refund if it doesn't work as described — Refund Policy
  • Instant download, delivered by email — re-download anytime from your receipt
  • No subscription, no account — works fully offline
  • No activation server — the app keeps working even if this website disappears
Works on
Windows 10 & 11 (64-bit)
Download
~125 MB · NewsletterOS-win64.zip
Installs
On computers you personally own or control (EULA)
Updates
Free fixes and improvements for the version you buy — notices by email, never by the app phoning home

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Safe to download & install

A genuine, local-first desktop app — no telemetry, no account. Because we're a new independent maker, Windows may show a one-time SmartScreen prompt on first run; just click More info → Run anyway. Your download lists a SHA-256 checksum so you can verify it's authentic and untampered. How to install & verify →

SHA-256 · NewsletterOS-win64.zip973b6114d3ce09b530bb6c5956137aa1d7c08f2c2b0a6c12428bd931eb697d47