# What does Cirkit LLC use?

Cirkit LLC (cirkit.us) shows public evidence of 5 tools, according to runsonwhat (last checked 2026-11-05).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, DNS records, Website code |  |
| [Render](https://www.runsonwhat.com/reverse/render) | Hosting & Cloud | Custom domain, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Clerk](https://www.runsonwhat.com/reverse/clerk) | Auth & Identity | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |

## Recent changes at Cirkit LLC

- 2026-11-05: started using [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace)

## FAQ

### What tools does Cirkit use?

As of November 2026, runsonwhat has found 5 tools at Cirkit (cirkit.us) in public records. Edge & Hosting: Cloudflare and Render. Application: Clerk. Company Ops: Google Workspace. Last checked November 5, 2026.

### What cloud does Cirkit run on?

Cirkit uses Render for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Render through a subdomain that points at Render and code on cirkit.us. Render is used by 2,743 companies runsonwhat tracks.

### What email provider does Cirkit use?

Cirkit 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 416,567 companies runsonwhat tracks.

### What does Cirkit use for login and identity?

Cirkit uses Clerk for sign-in and identity, according to runsonwhat (November 2026). runsonwhat found Clerk through Clerk code on cirkit.us. Clerk is used by 1,424 companies runsonwhat tracks.

### Does Cirkit use Cloudflare?

Yes. runsonwhat found Cloudflare at Cirkit through email records that authorize Cloudflare and DNS records. Cloudflare is a CDN & Edge tool used by 729,482 companies runsonwhat tracks.

### Has Cirkit changed tools recently?

Yes. On runsonwhat's rechecks, Cirkit started using Google Workspace (latest on November 5, 2026). A change counts only between two checks of cirkit.us done the same way.

### Which companies have a tech stack similar to Cirkit's?

The companies with the stacks most like Cirkit's are Comfy Deploy, Orange Walrus, Matrix OS and Commtrex, according to runsonwhat (November 2026). Each shares 1 to 3 tools with Cirkit, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Cirkit uses?

runsonwhat reads public records only. Of the 5 tools at Cirkit, 2 were found through email records, 1 through DNS records, 1 through subdomains that point at the vendor and 1 through code on cirkit.us. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cirkit.us about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/cirkit.us (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.