Fizzy Design Evolution: A Flipbook from Git - After writing about the making of Fizzy told through git commits, I wanted to see the design evolution with my own eyes. Reading about “Let’s try bubbles” and “Rename bubbles => cards” is one thing. Watching the interface transform over 18 months is another.

So I got to work: I went through each day of commits in the Fizzy repository, got the application to a bootable state, seeded the database, and took a screenshot. Then I stitched those screenshots together into a flipbook-style video.

Here’s the final result - I hope you enjoy it! Read on below for details about the process and the backing music.

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The Making of Fizzy, Told by Git - Today Fizzy was released and the entire source code of its development history is open for anyone to see. DHH announced on X that the full git history is available - a rare opportunity to peek behind the curtain of how a 37signals product comes together.

I cloned down the repository and prompted Claude Code:

“Can you go through the entire git history and write a documentary about the development of this application. What date the first commit was. Any major tweaks, changes and decisions and experiments. You can take multiple passes and use sub-agents to build up a picture. Make sure to cite commits for any interesting things. If there is anything dramatic then make sure to see if you can figure out decision making. Summarize at the end but the story should go into STORY.md”

It responded with:

“This is a fascinating task! Let me create a comprehensive investigation plan and use multiple agents to build up a complete picture of this project’s history.”

Here is the story of Fizzy - as interpreted by Claude - from the trail of git commits. Enjoy!

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Daily backups and diffs of ONCE Campfile source code - When you purchase Campfire from 37Signals, you will be able to download the source code. This download is a ZIP file and includes no git information. You do need to include your purchase token in the url of the download and if valid the source zip will download.

You are permitted of course to push that code to your own private git repository. By adding the Github Action workflow file below to your PRIVATE Campfire repo, Github Actions will download the ONCE Campfire code, unzip it, and then push a commit with todays date. You will then have nice diffs of changes made to the source. If there is no changes then no action will be taken.

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