30 30Apps

Learning to build software with agents, one app at a time.

Field notes from learning to build software with agents.

73 builds logged — shipped products, useful tools, prototypes, and experiments.

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Brought to you by Tom O'Neill

Jun 18, 2026

Most of what I build is a prototype, and that's the point

Shipped, useful, prototype, experiment. A quick defense of the verdicts I put on every build — and why the throwaways earn their keep.

Jun 17, 2026

When an app stops being a 30-day build: Let's Raise It

Most builds in this challenge live for a day. This one turned into a real product with payments, multi-tenancy, and 263 commits. Here's what changed.

Jun 16, 2026

What 73 builds actually taught me about working with agents

Two years, 73 builds, honest verdicts. The things I expected to learn, and the things I didn't.

Jun 15, 2026

Why I'm building 30 apps in 30 days

A dare to myself: ship one useful app a day for a month, and treat coding agents as collaborators instead of autocomplete.

Recent

Latest builds

  • github-review — Shipped
  • scouting — Useful tool
  • kwiklybi — Useful tool
  • dugout — Shipped
  • northstarwiffle — Shipped

View all 73 apps