# What does Proto use?

Proto (prototypes.fun) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: Engineering, Product and Design
- Size: 1–10 employees
- Based in: San Francisco, United States

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |

## FAQ

### What tools does Proto use?

As of November 2026, runsonwhat has found 7 tools at Proto (prototypes.fun) in public records. Edge & Hosting: Vercel. Application: Next.js. Company Ops: Google Workspace, Let's Encrypt and Sectigo. Last checked October 31, 2026.

### What cloud does Proto run on?

Proto uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a DNS verification record for Vercel and DNS records. Vercel is used by 50,799 companies runsonwhat tracks.

### What email provider does Proto use?

Proto uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 410,446 companies runsonwhat tracks.

### Does Proto use Next.js?

Yes. runsonwhat found Next.js at Proto through Next.js code on prototypes.fun. Next.js is a Frontend tool used by 68,914 companies runsonwhat tracks.

### How does runsonwhat know what Proto uses?

runsonwhat reads public records only. Of the 7 tools at Proto, 5 were found through DNS records, 1 through email records and 1 through code on prototypes.fun. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and prototypes.fun about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/prototypes.fun (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.