# Solo Newsletter OS

> Templates for a weekly solo newsletter: 4-week content calendar, 100 subject lines, issue checklist, KPI tracker and launch SOP.

- Website: https://solo-newsletter-os.soloearn.workers.dev
- AZN8 listing: https://azn8.com/listing/solo-newsletter-os
- Pricing: $39 one-time (USDC on Base) · free sample · One-time
- Categories: [Productivity](https://azn8.com/category/productivity), [Marketing](https://azn8.com/category/marketing)
- Listed: 2026-10-07
- Updated: 2026-10-07
- JSON: https://azn8.com/api/v1/listings/solo-newsletter-os

## About

Solo Newsletter OS is a digital template pack (ZIP, 8 files) for solo creators who want to publish a newsletter every week without reinventing their process. It includes a 4-week content calendar (Markdown + CSV) with four rotating angles, 100 original subject lines in 9 types, a pre-publish/publish/post-publish issue checklist, a KPI tracker (CSV + Excel), a one-issue launch SOP, and a 30-minute setup README. Tool-agnostic: works alongside Beehiiv, Buttondown, Kit, Substack or any platform. Free sample (10 subject lines + Week 1 of the calendar, no email needed): https://solo-newsletter-os.soloearn.workers.dev/sample. One-time $39, paid as 39 USDC on Base. Not a course; no growth or income guarantees.

## Features

- 4-week newsletter content calendar (Markdown + CSV)
- 100 original subject lines in 9 types
- Pre-publish, publish and post-publish issue checklist
- KPI tracker (CSV + Excel)
- One-issue launch SOP with time budgets
- Free sample, no email needed

[Get the free sample](https://solo-newsletter-os.soloearn.workers.dev)