# What does Marrow use?

Marrow (marrow.is) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-09).

- Industry: Venture Capital & Private Equity
- Size: 11–50 employees
- Based in: Englewood, United States
- LinkedIn: https://www.linkedin.com/company/marrowllc

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code |  |

## Application

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Storyblok](https://www.runsonwhat.com/reverse/storyblok) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) | Security & Compliance | DNS verification records |  |
| [MailerSend](https://www.runsonwhat.com/reverse/mailersend) | Email Delivery | Custom domain, Email records |  |

## FAQ

### What tools does Marrow use?

As of November 2026, runsonwhat has found 9 tools at Marrow (marrow.is) in public records. Edge & Hosting: Cloudflare and Vercel. Application: OpenAI and SvelteKit. Go-to-market: Storyblok. Company Ops: Google Workspace, Bitwarden and MailerSend. Last checked November 9, 2026.

### What cloud does Marrow run on?

Marrow uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 53,567 companies runsonwhat tracks.

### What email provider does Marrow use?

Marrow uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 421,818 companies runsonwhat tracks.

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

Marrow uses Storyblok for its website, according to runsonwhat (November 2026). runsonwhat found Storyblok through Storyblok code on marrow.is. Storyblok is used by 2,798 companies runsonwhat tracks.

### Does Marrow use Cloudflare?

Yes. runsonwhat found Cloudflare at Marrow through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 735,498 companies runsonwhat tracks.

### Does Marrow use AI tools?

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

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

The companies with the stacks most like Marrow's are Trigger, Jaid, Kunga and Familieskolen, according to runsonwhat (November 2026). Each shares 2 to 3 tools with Marrow, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Marrow uses?

runsonwhat reads public records only. Of the 9 tools at Marrow, 4 were found through DNS records, 2 through subdomains that point at the vendor, 2 through code on marrow.is and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and marrow.is about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/marrow.is (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.