# What does TSI use?

TSI (tsi.de) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-10-26).

- Industry: Consumer Goods
- Size: 51–200 employees
- Based in: Zeven, Germany
- Founded: 1994
- LinkedIn: https://www.linkedin.com/company/tsi-gmbh-

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does TSI use?

As of October 2026, runsonwhat has found 12 tools at TSI (tsi.de) in public records. Application: jQuery, Vimeo and YouTube. Go-to-market: WordPress, Yoast SEO and Shopify. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 26, 2026.

### What email provider does TSI use?

TSI uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 712,567 companies runsonwhat tracks.

### What is TSI's website built with?

TSI uses WordPress for its website, alongside Yoast SEO and Shopify, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on tsi.de. WordPress is used by 599,026 companies runsonwhat tracks.

### Does TSI use jQuery?

Yes. runsonwhat found jQuery at TSI through jQuery code on tsi.de. jQuery is a Frontend tool used by 918,445 companies runsonwhat tracks.

### Does TSI use AI tools?

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

### How does runsonwhat know what TSI uses?

runsonwhat reads public records only. Of the 12 tools at TSI, 6 were found through code on tsi.de, 5 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and tsi.de about monthly.


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