# What does Testfabrik use?

Testfabrik (testfabrik.com) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Saarbrücken, Germany
- Founded: 2013
- LinkedIn: https://www.linkedin.com/company/testfabrik

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Testfabrik use?

As of November 2026, runsonwhat has found 9 tools at Testfabrik (testfabrik.com) in public records. Application: Anthropic, OpenAI and Astro. Data & Observability: Matomo. Go-to-market: Brevo. Company Ops: Microsoft 365, Atlassian and 1Password. Last checked November 10, 2026.

### What email provider does Testfabrik use?

Testfabrik uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 739,102 companies runsonwhat tracks.

### What analytics tools does Testfabrik use?

Testfabrik uses Matomo for analytics, according to runsonwhat (November 2026). runsonwhat found Matomo through Matomo code on testfabrik.com. Matomo is used by 35,887 companies runsonwhat tracks.

### What marketing software does Testfabrik use?

Testfabrik uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 84,964 companies runsonwhat tracks.

### Does Testfabrik use Anthropic?

Yes. runsonwhat found Anthropic at Testfabrik through a DNS verification record for Anthropic. Anthropic is a AI tool used by 74,130 companies runsonwhat tracks.

### Does Testfabrik use AI tools?

Yes. runsonwhat has found Anthropic and OpenAI at Testfabrik; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Testfabrik may use more AI tools than these.

### How does runsonwhat know what Testfabrik uses?

runsonwhat reads public records only. Of the 9 tools at Testfabrik, 6 were found through DNS records, 2 through code on testfabrik.com and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and testfabrik.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/testfabrik.com (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.