# What does Simply Rational – The Decision Institute use?

Simply Rational – The Decision Institute (simplyrational.de) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-05).

- Industry: Management Consulting
- Size: 11–50 employees
- Based in: Berlin Kreuzberg, Germany
- Founded: 2015
- LinkedIn: https://www.linkedin.com/company/simply-rational

## Edge & Hosting

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

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, 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 |  |
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |
| [Hornetsecurity](https://www.runsonwhat.com/reverse/hornetsecurity) | Security & Compliance | Email records |  |

## FAQ

### What tools does Simply Rational – The Decision Institute use?

As of November 2026, runsonwhat has found 9 tools at Simply Rational – The Decision Institute (simplyrational.de) in public records. Edge & Hosting: Vercel. Application: Next.js. Data & Observability: Vercel Analytics. Company Ops: Microsoft 365, Let's Encrypt and Sectigo. Last checked November 5, 2026.

### What cloud does Simply Rational – The Decision Institute run on?

Simply Rational – The Decision Institute uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through DNS records that point at Vercel. Vercel is used by 51,913 companies runsonwhat tracks.

### What email provider does Simply Rational – The Decision Institute use?

Simply Rational – The Decision Institute uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 724,316 companies runsonwhat tracks.

### What analytics tools does Simply Rational – The Decision Institute use?

Simply Rational – The Decision Institute uses Vercel Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Vercel Analytics through Vercel Analytics code on simplyrational.de. Vercel Analytics is used by 8,203 companies runsonwhat tracks.

### Does Simply Rational – The Decision Institute use Next.js?

Yes. runsonwhat found Next.js at Simply Rational – The Decision Institute through Next.js code on simplyrational.de. Next.js is a Frontend tool used by 69,408 companies runsonwhat tracks.

### How does runsonwhat know what Simply Rational – The Decision Institute uses?

runsonwhat reads public records only. Of the 9 tools at Simply Rational – The Decision Institute, 5 were found through DNS records, 2 through code on simplyrational.de and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and simplyrational.de about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/simplyrational.de (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.