# What does 5SIM use?

5SIM (5sim.net) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-20).

- Size: 11–50 employees
- Founded: 2015

## Edge & Hosting

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

## Application

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | Website code |  |
| [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain, Email records, Website code |  |

## FAQ

### What tools does 5SIM use?

As of October 2026, runsonwhat has found 9 tools at 5SIM (5sim.net) in public records. Edge & Hosting: Cloudflare. Application: React, Tailwind CSS and Next.js. Go-to-market: Brevo and ZoomInfo. Company Ops: Mailgun. Last checked October 20, 2026.

### What sales tools does 5SIM use?

The sales tools runsonwhat has found at 5SIM are ZoomInfo (October 2026); no CRM shows up in 5SIM's public records. runsonwhat found ZoomInfo through ZoomInfo code on 5sim.net. ZoomInfo is used by 17,007 companies runsonwhat tracks.

### What marketing software does 5SIM use?

5SIM uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through Brevo code on 5sim.net. Brevo is used by 80,281 companies runsonwhat tracks.

### Does 5SIM use Cloudflare?

Yes. runsonwhat found Cloudflare at 5SIM through DNS records that point at Cloudflare and code on 5sim.net. Cloudflare is a CDN & Edge tool used by 706,562 companies runsonwhat tracks.

### How does runsonwhat know what 5SIM uses?

runsonwhat reads public records only. Of the 9 tools at 5SIM, 5 were found through code on 5sim.net, 2 through DNS records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 5sim.net about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/5sim.net (updated October 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.