Demos, Experiments, and Free Advice™!

Where I build in the open and reflect on technology.

July 11, 2026 by Chad Fennell

Developers often reject systems on the basis of 'heaviness.' But is heaviness the right criterion for selection?

June 23, 2026 by Chad Fennell

Build a toolbox and fill it full of tools.

June 13, 2026 by Chad Fennell

AI is a powerful tool, but teams risk papering over deeper issues with brute force token usage.

January 27, 2025 by Chad Fennell

A tool that ingests vendor quotes, flags issues, compares pricing, and translates technical specs into plain language.

October 18, 2025 by Chad Fennell

Building a live streaming AI chat assistant with Twilio, OpenAI, Elixir Phoenix.