# What does 50five use?

50five (50five.com) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-28).

- LinkedIn: https://www.linkedin.com/company/50five

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Data & Observability

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

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records |  |
| [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records |  |
| [SMTP2GO](https://www.runsonwhat.com/reverse/smtp2go) | Email Delivery | Email records |  |

## FAQ

### What tools does 50five use?

As of October 2026, runsonwhat has found 13 tools at 50five (50five.com) in public records. Edge & Hosting: Cloudflare. Application: OpenAI. Data & Observability: Google Tag Manager. Go-to-market: Mailchimp and HubSpot. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 28, 2026.

### What CRM does 50five use?

50five uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 95,247 companies runsonwhat tracks.

### What email provider does 50five use?

50five uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 715,482 companies runsonwhat tracks.

### What analytics tools does 50five use?

50five uses Google Tag Manager for analytics, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on 50five.com. Google Tag Manager is used by 510,289 companies runsonwhat tracks.

### What marketing software does 50five use?

50five uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 116,988 companies runsonwhat tracks.

### Does 50five use Cloudflare?

Yes. runsonwhat found Cloudflare at 50five through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 712,212 companies runsonwhat tracks.

### Does 50five use AI tools?

Yes. runsonwhat has found OpenAI at 50five; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so 50five may use more AI tools than these.

### How does runsonwhat know what 50five uses?

runsonwhat reads public records only. Of the 13 tools at 50five, 7 were found through DNS records, 5 through email records and 1 through code on 50five.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 50five.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/50five.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.
