🛠️ Caveat, a self-hosted publishing and newsletter tool

Summary
Caveat is a self-hosted publishing and newsletter tool that gives users complete control over design, subscriber data, and infrastructure. It features a rich-text editor, subscriber management, reusable content blocks, and email delivery via Resend.

Why it’s interesting
It was built using GPT-6 Astra across a few sessions processing roughly 43.6M tokens.

Target user
People who want control over their newsletter design, subscriber data, and infrastructure.

Source metrics: Points 2 · Comments 0
HN discussion · Project
Source: #HackerNews / Show HN