# What does FreeRTOS™ use?

FreeRTOS™ (freertos.org) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-08).

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Gatsby](https://www.runsonwhat.com/reverse/gatsby) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Adobe Experience Platform](https://www.runsonwhat.com/reverse/adobe-experience-platform) | Analytics | Website code |  |
| [Adobe Analytics](https://www.runsonwhat.com/reverse/adobe-analytics) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain |  |
| [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code |  |
| [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code |  |

## FAQ

### What tools does FreeRTOS™ use?

As of November 2026, runsonwhat has found 12 tools at FreeRTOS™ (freertos.org) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: React and Gatsby. Data & Observability: Adobe Experience Platform and Adobe Analytics. Go-to-market: Mailchimp, Zendesk and Adobe Audience Manager. Last checked November 8, 2026.

### What cloud does FreeRTOS™ run on?

FreeRTOS™ 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 freertos.org. Amazon Web Services is used by 147,406 companies runsonwhat tracks.

### What does FreeRTOS™ use for customer support?

FreeRTOS™ uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 43,597 companies runsonwhat tracks.

### What analytics tools does FreeRTOS™ use?

FreeRTOS™ uses Adobe Experience Platform for analytics, alongside Adobe Analytics, according to runsonwhat (November 2026). runsonwhat found Adobe Experience Platform through Adobe Experience Platform code on freertos.org. Adobe Experience Platform is used by 6,487 companies runsonwhat tracks.

### What marketing software does FreeRTOS™ use?

FreeRTOS™ uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through Mailchimp code on freertos.org. Mailchimp is used by 118,923 companies runsonwhat tracks.

### Does FreeRTOS™ use React?

Yes. runsonwhat found React at FreeRTOS™ through React code on freertos.org. React is a Frontend tool used by 124,166 companies runsonwhat tracks.

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

The companies with the stacks most like FreeRTOS™'s are First Fence, Sages, Bold and Ackee s.r.o., according to runsonwhat (November 2026). Each shares 2 to 5 tools with FreeRTOS™, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what FreeRTOS™ uses?

runsonwhat reads public records only. Of the 12 tools at FreeRTOS™, 9 were found through code on freertos.org, 2 through DNS 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 freertos.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/freertos.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.