# What does Extern use?

Extern (extern.org) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-28).

- Industry: Non-profit Organization Management
- Size: 201–1,000 employees
- Based in: Dublin 7, United Kingdom
- Founded: 1978
- LinkedIn: https://www.linkedin.com/company/externcharity

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | 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 |  |
| [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 |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |
| [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records |  |
| [GoTo](https://www.runsonwhat.com/reverse/goto) | Collaboration | DNS verification records |  |
| [Cookie Control](https://www.runsonwhat.com/reverse/civic-cookie-control) | Security & Compliance | Website code |  |

## FAQ

### What tools does Extern use?

As of November 2026, runsonwhat has found 18 tools at Extern (extern.org) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: jQuery, Google Fonts and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads and Mailchimp. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 28, 2026.

### What cloud does Extern run on?

Extern uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on extern.org. Amazon Web Services is used by 146,791 companies runsonwhat tracks.

### What email provider does Extern use?

Extern 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 719,708 companies runsonwhat tracks.

### What analytics tools does Extern use?

Extern uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on extern.org. Google Analytics is used by 906,069 companies runsonwhat tracks.

### What marketing software does Extern use?

Extern uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through Mailchimp code on extern.org. Mailchimp is used by 117,757 companies runsonwhat tracks.

### Does Extern use jQuery?

Yes. runsonwhat found jQuery at Extern through jQuery code on extern.org. jQuery is a Frontend tool used by 929,901 companies runsonwhat tracks.

### Does Extern use AI tools?

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

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

The companies with the stacks most like Extern's are BookTrust, Hill & Smith Infrastructure, Wyre Forest District Council and 業務用珍味・和食材の卸問屋　GFC ジーエフシー, according to runsonwhat (November 2026). Each shares 6 to 10 tools with Extern, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Extern uses?

runsonwhat reads public records only. Of the 18 tools at Extern, 10 were found through code on extern.org, 6 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 extern.org about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/extern.org (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.