# What does Andersson Elffers Felix use?

Andersson Elffers Felix (aef.nl) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-11).

- Based in: Utrecht, Netherlands
- Founded: 1982
- LinkedIn: https://www.linkedin.com/company/andersson-elffers-felix

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Mistral AI](https://www.runsonwhat.com/reverse/mistral) | AI | DNS verification records |  |

## Data & Observability

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records |  |

## Recent changes at Andersson Elffers Felix

- 2026-10-11: started using [OpenAI](https://www.runsonwhat.com/reverse/openai)

## FAQ

### What tools does Andersson Elffers Felix use?

As of October 2026, runsonwhat has found 13 tools at Andersson Elffers Felix (aef.nl) in public records. Application: Google Fonts, GSAP and Google Maps. Data & Observability: Fathom. Company Ops: Microsoft 365, Apple Business and Valimail. Last checked October 11, 2026.

### What email provider does Andersson Elffers Felix use?

Andersson Elffers Felix 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 705,078 companies runsonwhat tracks.

### What analytics tools does Andersson Elffers Felix use?

Andersson Elffers Felix uses Fathom for analytics, according to runsonwhat (October 2026). runsonwhat found Fathom through Fathom code on aef.nl. Fathom is used by 2,437 companies runsonwhat tracks.

### Does Andersson Elffers Felix use Google Fonts?

Yes. runsonwhat found Google Fonts at Andersson Elffers Felix through Google Fonts code on aef.nl. Google Fonts is a Media & UI tool used by 795,737 companies runsonwhat tracks.

### Does Andersson Elffers Felix use AI tools?

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

### Has Andersson Elffers Felix changed tools recently?

Yes. On runsonwhat's rechecks, Andersson Elffers Felix started using OpenAI (latest on October 11, 2026). A change counts only between two checks of aef.nl done the same way.

### Which companies have a tech stack similar to Andersson Elffers Felix's?

The companies with the stacks most like Andersson Elffers Felix's are Highstreet Technologies, Khon Kaen University, CIMPA and Ait Austrian Institute Of Technology, according to runsonwhat (October 2026). Each shares 2 to 6 tools with Andersson Elffers Felix, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Andersson Elffers Felix uses?

runsonwhat reads public records only. Of the 13 tools at Andersson Elffers Felix, 6 were found through code on aef.nl, 5 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and aef.nl about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/aef.nl (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.
