# What does Key-Systems GmbH use?

Key-Systems GmbH (key-systems.net) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-11-11).

- Industry: Software
- Size: 51–200 employees
- Based in: Sankt Ingbert, Germany
- Founded: 1998
- LinkedIn: https://www.linkedin.com/company/key-systems

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Email records, DNS records, Website code |  |

## 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 |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |
| [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | DNS verification records, Email records, 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 |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, 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 |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Mailtrap](https://www.runsonwhat.com/reverse/mailtrap) | Email Delivery | Email records |  |

## FAQ

### What tools does Key-Systems use?

As of November 2026, runsonwhat has found 15 tools at Key-Systems (key-systems.net) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Sentry and Atlassian Statuspage. Go-to-market: WordPress, Yoast SEO and Zendesk. Company Ops: Microsoft 365, Google Workspace and Mailtrap. Last checked November 11, 2026.

### What email provider does Key-Systems use?

Key-Systems uses Microsoft 365 for email and office software, alongside Google Workspace, 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 739,097 companies runsonwhat tracks.

### What does Key-Systems use for customer support?

Key-Systems uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on key-systems.net. Zendesk is used by 43,920 companies runsonwhat tracks.

### What is Key-Systems's website built with?

Key-Systems uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on key-systems.net. WordPress is used by 607,530 companies runsonwhat tracks.

### What monitoring tools does Key-Systems use?

Key-Systems uses Sentry for monitoring, alongside Atlassian Statuspage, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on key-systems.net. Sentry is used by 80,266 companies runsonwhat tracks.

### Does Key-Systems use jQuery?

Yes. runsonwhat found jQuery at Key-Systems through jQuery code on key-systems.net. jQuery is a Frontend tool used by 927,810 companies runsonwhat tracks.

### Does Key-Systems use AI tools?

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

### Which companies have a tech stack similar to Key-Systems's?

The companies with the stacks most like Key-Systems' are WebNL creative studios, Workforce.com, Fieldbi Cambodia and Boris, according to runsonwhat (November 2026). Each shares 4 to 9 tools with Key-Systems, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Key-Systems uses?

runsonwhat reads public records only. Of the 15 tools at Key-Systems, 8 were found through code on key-systems.net, 3 through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and key-systems.net about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/key-systems.net (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.