# What does Sea.dev use?

Sea.dev (sea.dev) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-31).

- Based in: United Kingdom
- Founded: 2023
- LinkedIn: https://www.linkedin.com/company/seadev

## Edge & Hosting

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

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | DNS records |  |
| [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |

## FAQ

### What tools does Sea.dev use?

As of November 2026, runsonwhat has found 10 tools at Sea.dev (sea.dev) in public records. Edge & Hosting: Cloudflare, Google Cloud and Render. Application: Astro. Data & Observability: Google Analytics and PostHog. Go-to-market: Squarespace and Calendly. Company Ops: Microsoft 365 and Google Workspace. Last checked October 31, 2026.

### What cloud does Sea.dev run on?

Sea.dev uses Google Cloud for hosting and cloud infrastructure, alongside Render, according to runsonwhat (November 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 77,105 companies runsonwhat tracks.

### What sales tools does Sea.dev use?

The sales tools runsonwhat has found at Sea.dev are Calendly (November 2026); no CRM shows up in Sea.dev's public records. runsonwhat found Calendly through Calendly code on sea.dev. Calendly is used by 31,429 companies runsonwhat tracks.

### What email provider does Sea.dev use?

Sea.dev uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 722,379 companies runsonwhat tracks.

### What analytics tools does Sea.dev use?

Sea.dev uses Google Analytics for analytics, alongside PostHog, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on sea.dev. Google Analytics is used by 906,098 companies runsonwhat tracks.

### What is Sea.dev's website built with?

Sea.dev uses Squarespace for its website, according to runsonwhat (November 2026). runsonwhat found Squarespace through DNS records that point at Squarespace. Squarespace is used by 34,323 companies runsonwhat tracks.

### Does Sea.dev use Cloudflare?

Yes. runsonwhat found Cloudflare at Sea.dev through Cloudflare code on sea.dev. Cloudflare is a CDN & Edge tool used by 726,915 companies runsonwhat tracks.

### Which companies have a tech stack similar to Sea.dev's?

The companies with the stacks most like Sea.dev's are Mition GmbH Mittelstandsbeteiligungen, Rts Reliable Tax Service, Rojkind Inmobiliaria, SA de CV and Yobbers, according to runsonwhat (November 2026). Each shares 2 to 4 tools with Sea.dev, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Sea.dev uses?

runsonwhat reads public records only. Of the 10 tools at Sea.dev, 5 were found through code on sea.dev, 3 through DNS records, 1 through email 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 sea.dev about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/sea.dev (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.