# What does i3systems use?

i3systems (i3systems.de) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-11-08).

- Based in: Germany
- LinkedIn: https://www.linkedin.com/company/i3systems

## 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 |  |
| [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |

## FAQ

### What tools does i3systems use?

As of November 2026, runsonwhat has found 15 tools at i3systems (i3systems.de) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked November 8, 2026.

### What sales tools does i3systems use?

The sales tools runsonwhat has found at i3systems are Calendly (November 2026); no CRM shows up in i3systems' public records. runsonwhat found Calendly through Calendly code on i3systems.de. Calendly is used by 31,512 companies runsonwhat tracks.

### What email provider does i3systems use?

i3systems uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 732,077 companies runsonwhat tracks.

### What payment provider does i3systems use?

i3systems uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through Stripe code on i3systems.de. Stripe is used by 31,363 companies runsonwhat tracks.

### What analytics tools does i3systems use?

i3systems uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on i3systems.de. Google Analytics is used by 903,839 companies runsonwhat tracks.

### What is i3systems's website built with?

i3systems uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on i3systems.de. WordPress is used by 606,704 companies runsonwhat tracks.

### Does i3systems use jQuery?

Yes. runsonwhat found jQuery at i3systems through jQuery code on i3systems.de. jQuery is a Frontend tool used by 927,184 companies runsonwhat tracks.

### How does runsonwhat know what i3systems uses?

runsonwhat reads public records only. Of the 15 tools at i3systems, 12 were found through code on i3systems.de, 2 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 i3systems.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/i3systems.de (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.