# What does Localstack use?

Localstack (localstack.com) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-11-09).

- Industry: Internet
- Size: 11–50 employees
- Based in: San Diego, United States
- Founded: 2006
- LinkedIn: https://www.linkedin.com/company/localstack-inc

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain |  |
| [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) | Hosting & Cloud | Custom domain |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records |  |

## Recent changes at Localstack

- 2026-11-09: stopped using [Groove](https://www.runsonwhat.com/reverse/groove)

## FAQ

### What tools does Localstack use?

As of November 2026, runsonwhat has found 8 tools at Localstack (localstack.com) in public records. Edge & Hosting: Cloudflare, Google Cloud and GitHub Pages. Application: Tailwind CSS. Go-to-market: Mailchimp. Company Ops: Google Workspace and Mailchimp Transactional. Last checked November 9, 2026.

### What cloud does Localstack run on?

Localstack uses Google Cloud for hosting and cloud infrastructure, alongside GitHub Pages, according to runsonwhat (November 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 77,543 companies runsonwhat tracks.

### What email provider does Localstack use?

Localstack uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on localstack.com. Google Workspace is used by 417,701 companies runsonwhat tracks.

### What marketing software does Localstack use?

Localstack uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on localstack.com. Mailchimp is used by 118,533 companies runsonwhat tracks.

### Does Localstack use Cloudflare?

Yes. runsonwhat found Cloudflare at Localstack through DNS records that point at Cloudflare and code on localstack.com. Cloudflare is a CDN & Edge tool used by 730,831 companies runsonwhat tracks.

### Has Localstack changed tools recently?

Yes. On runsonwhat's rechecks, Localstack stopped using Groove (latest on November 9, 2026). A change counts only between two checks of localstack.com done the same way.

### How does runsonwhat know what Localstack uses?

runsonwhat reads public records only. Of the 8 tools at Localstack, 3 were found through email records, 2 through DNS records, 2 through subdomains that point at the vendor and 1 through code on localstack.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and localstack.com about monthly.


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