# What does Crux use?

Crux (cruxdata.com) shows public evidence of 22 tools, according to runsonwhat (last checked 2026-10-16).

- Industry: Software
- Size: 51–200 employees
- Based in: San Francisco, United States
- Founded: 2017
- LinkedIn: https://www.linkedin.com/company/cruxinformatics

## Edge & Hosting

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code |  |
| [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | Custom domain, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |
| [EasyDMARC](https://www.runsonwhat.com/reverse/easydmarc) | Security & Compliance | Email records |  |
| [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records |  |

## FAQ

### What tools does Crux use?

As of October 2026, runsonwhat has found 22 tools at Crux (cruxdata.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and YouTube. Go-to-market: Mailchimp, HubSpot and Zendesk. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked October 16, 2026.

### What CRM does Crux use?

Crux uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on cruxdata.com. HubSpot is used by 92,769 companies runsonwhat tracks.

### What email provider does Crux use?

Crux uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 399,667 companies runsonwhat tracks.

### What does Crux use for customer support?

Crux uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on cruxdata.com. Zendesk is used by 41,221 companies runsonwhat tracks.

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

Crux uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on cruxdata.com. Webflow is used by 34,472 companies runsonwhat tracks.

### What marketing software does Crux use?

Crux uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,691 companies runsonwhat tracks.

### Does Crux use jQuery?

Yes. runsonwhat found jQuery at Crux through jQuery code on cruxdata.com. jQuery is a Frontend tool used by 903,443 companies runsonwhat tracks.

### How does runsonwhat know what Crux uses?

runsonwhat reads public records only. Of the 22 tools at Crux, 11 were found through DNS records, 7 through email records, 3 through code on cruxdata.com 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 cruxdata.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/cruxdata.com (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.