# What does One System use?

One System (one-system.fr) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-11-09).

- Industry: IT Services
- Size: 51–200 employees
- Based in: Saint-Maur-Des-Fossés, France
- Founded: 2008
- LinkedIn: https://www.linkedin.com/company/13049346

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, DNS verification records |  |
| [OVHcloud](https://www.runsonwhat.com/reverse/ovh) | Hosting & Cloud | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | 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 |  |

## Data & Observability

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

## 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 |  |
| [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [HubSpot App Developer](https://www.runsonwhat.com/reverse/hubspot-developer) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does One System use?

As of November 2026, runsonwhat has found 17 tools at One System (one-system.fr) in public records. Edge & Hosting: Cloudflare and OVHcloud. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and HubSpot CMS. Company Ops: Microsoft 365 and HubSpot App Developer. Last checked November 9, 2026.

### What cloud does One System run on?

One System uses OVHcloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found OVHcloud through DNS records that point at OVHcloud. OVHcloud is used by 27,765 companies runsonwhat tracks.

### What email provider does One System use?

One System uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 736,667 companies runsonwhat tracks.

### What analytics tools does One System use?

One System uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on one-system.fr. Google Analytics is used by 904,071 companies runsonwhat tracks.

### What is One System's website built with?

One System uses WordPress for its website, alongside Yoast SEO and HubSpot CMS, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on one-system.fr. WordPress is used by 606,927 companies runsonwhat tracks.

### Does One System use jQuery?

Yes. runsonwhat found jQuery at One System through jQuery code on one-system.fr. jQuery is a Frontend tool used by 927,273 companies runsonwhat tracks.

### Does One System use AI tools?

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

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

The companies with the stacks most like One System's are West Central Technology, Neurotech, Menos ruido. Más impacto. and Moonflow, according to runsonwhat (November 2026). Each shares 7 to 12 tools with One System, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what One System uses?

runsonwhat reads public records only. Of the 17 tools at One System, 8 were found through code on one-system.fr, 6 through DNS records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and one-system.fr about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/one-system.fr (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.