# What does PSI AG use?

PSI AG (psi.de) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-20).

- Based in: Germany
- Founded: 1969
- LinkedIn: https://www.linkedin.com/company/psi-se

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records |  |
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Email records |  |
| [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |
| [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records |  |
| [CCM19](https://www.runsonwhat.com/reverse/ccm19) | Security & Compliance | Website code |  |
| [Docebo](https://www.runsonwhat.com/reverse/docebo) | People & HR | Email records |  |
| [rexx systems](https://www.runsonwhat.com/reverse/rexx) | People & HR | Email records |  |

## FAQ

### What tools does PSI use?

As of October 2026, runsonwhat has found 19 tools at PSI (psi.de) in public records. Application: jQuery, YouTube and Vue.js. Go-to-market: LinkedIn Insight Tag, Brevo and Zoho. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 20, 2026.

### What CRM does PSI use?

PSI uses Zoho for its CRM, according to runsonwhat (October 2026). runsonwhat found Zoho through a DNS verification record for Zoho and email records. Zoho is used by 62,074 companies runsonwhat tracks.

### What email provider does PSI use?

PSI uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 706,410 companies runsonwhat tracks.

### What marketing software does PSI use?

PSI uses Brevo for marketing, alongside LinkedIn, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 78,974 companies runsonwhat tracks.

### What does PSI use for hiring and HR?

PSI uses Docebo for hiring and HR, alongside rexx systems, according to runsonwhat (October 2026). runsonwhat found Docebo through email records that authorize Docebo. Docebo is used by 1,290 companies runsonwhat tracks.

### Does PSI use jQuery?

Yes. runsonwhat found jQuery at PSI through jQuery code on psi.de. jQuery is a Frontend tool used by 905,938 companies runsonwhat tracks.

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

The companies with the stacks most like PSI's are Helion Energy, Landkreis Cloppenburg, Medienhäuser Saarbrücker Zeitung und Trierischer Volksfreund and Lucky Car, according to runsonwhat (October 2026). Each shares 2 to 9 tools with PSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what PSI uses?

runsonwhat reads public records only. Of the 19 tools at PSI, 11 were found through DNS records, 5 through code on psi.de and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and psi.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/psi.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.