Fizzy
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
4recommend
1warn against
Dec 2, 2025first mention
Mar 25, 2026latest mention
Why people recommend it
“Fizzy's public codebase has the entire life of the product development cycle out in the open”
Show 1 more
Caveats and dissent
“Not under an Open Source Definition compliant license though.”
“since you aren't allowed to compete with the Fizzy authors”
Threads where it came up
- Fizzy 3 mentions
- We just made Fizzy free 1 mention
- Please just try HTMX 1 mention
- 'Source available' is not open source, and that's okay 1 mention
- Has the cost of building software dropped 90%? 1 mention
- 37signals open-sources Kanban tracking tool Fizzy 1 mention
Data: fizzy.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 9
“You can self-host it too”
“Check out Fizzy from 37signals. They used a similar HATEOAS approach to build it with Hotwire”
“it more open-source that source-available”
"We use AI to build the tools because we use them in cursor or Visual Studio or code or wherever else people are making our stuff. I use AI a bunch." https://37signals.com/podcast/listener-questions/ "Today we’re introducing Fizzy. Kanban as it should be, not as it has been. [...] we’ll host your account for just $20/month for unlimited cards and unlimited users. [...] And here’s a surprise... Fizzy is open source! I
“Not under an Open Source Definition compliant license though.”
“the source sure is open, and you can find it on our public GitHub repository”
“since you aren't allowed to compete with the Fizzy authors”
“Fizzy's public codebase has the entire life of the product development cycle out in the open”
“Free to selfhost”