Hey, I'm Jon. I'm a serial builder of side projects and open source software, with a genuine obsession for making useful things.

Every week I send a newsletter about what it takes to build and ship them, from the wins and the dead ends to the messy middle people tend to not write about. You can find my latest writing just below, newest first.

Latest writing

All 51 articles

My book

Email Growth Guide

The playbook for launching, growing, and monetizing your email newsletter.

I've spent over a decade growing newsletters, and this book is everything I learned along the way. It's full of specific tactics you can put to work right away, to grow a list you actually own and turn it into real income.

Building right now

All my work
CronWatch Cron monitoring as a library, with an alert when a job fails or goes missing. cronwatch.dev Scratchpad One fast, calm place for your notes, lists, files, and voice memos, built for writing and thinking. scratchpad.sh ActiveBuilders A private community for people who ship products and build things for the web. activebuilders.dev Preflight.sh Stop embarrassing yourself in production. Scan your codebase for launch readiness. preflight.sh DailyTips.Dev A 5-minute daily read on decisions, distribution, and the thinking that turns code into products. dailytips.dev DailyPhotoTips Daily photography tips, tutorials, and tools delivered straight to your inbox. Five days a week. dailyphototips.com