# What does congstar use?

congstar (congstar.de) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Telecommunications
- Based in: Germany
- Founded: 2004
- LinkedIn: https://www.linkedin.com/company/congstar

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Kameleoon](https://www.runsonwhat.com/reverse/kameleoon) | Flags & Experiments | Website code |  |
| [Medallia](https://www.runsonwhat.com/reverse/medallia) | Analytics | Website code |  |
| [Mapp](https://www.runsonwhat.com/reverse/mapp) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |
| [Adform](https://www.runsonwhat.com/reverse/adform) | Ads & Pixels | Website code |  |
| [Trusted Shops](https://www.runsonwhat.com/reverse/trusted-shops) | Marketing | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code |  |

## FAQ

### What tools does congstar use?

As of October 2026, runsonwhat has found 12 tools at congstar (congstar.de) in public records. Application: React. Data & Observability: Google Analytics, Kameleoon and Medallia. Go-to-market: Meta Pixel, Microsoft Ads and Salesforce. Company Ops: Usercentrics. Last checked October 9, 2026.

### What CRM does congstar use?

congstar uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on congstar.de. Salesforce is used by 33,232 companies runsonwhat tracks.

### What analytics tools does congstar use?

congstar uses Google Analytics for analytics, alongside Medallia and Mapp, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on congstar.de. Google Analytics is used by 847,210 companies runsonwhat tracks.

### What marketing software does congstar use?

congstar uses Trusted Shops for marketing, according to runsonwhat (October 2026). runsonwhat found Trusted Shops through Trusted Shops code on congstar.de. Trusted Shops is used by 2,678 companies runsonwhat tracks.

### Does congstar use Meta Pixel?

Yes. runsonwhat found Meta Pixel at congstar through Meta Pixel code on congstar.de. Meta Pixel is a Ads & Pixels tool used by 380,447 companies runsonwhat tracks.

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

The companies with the stacks most like congstar's are Teufel, CosmosDirekt, Obi Hungary Retail Kft. and Teufel, according to runsonwhat (October 2026). Each shares 4 to 5 tools with congstar, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what congstar uses?

runsonwhat reads public records only. Of the 12 tools at congstar, 10 were found through code on congstar.de, 1 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 congstar.de about monthly.


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