All tools
Building the product · 2 of 603 stories
Zod
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| Harbor | Validates clinical data in the application layer. | C | Harbor blog and engineering index | ||
| HappySupport | Validates input on the server. | C | HappySupport facts page, version 1.4, updated 30 October 2026 |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Used in the same businesses
Other tools in the stories above, with the number of stories that share both.
Other tools for the same job
Building the product, with the number of stories that use each.