runsonwhat

Fifth Door's tech stack

What does Fifth Door use?

Fifth Door (fifthdoor.com) uses at least 10 tools we can see from public records, including Render for hosting, Google Workspace for email and documents, PostHog for analytics and Rippling for hiring and HR. Last checked .

“Create and play games with AI”

Industry
Gaming
Size
1–10 employees
Based in
San Francisco, United States
Tools found
10
Categories
10
Oldest proven tool
Aug 2026
Last checked
Oct 2026

Fifth Door's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

2 tools, what the product is built with

Data & Observability

2 tools, what they measure and store

Data Pipeline

Go-to-market

1 tool, how they find and keep customers

Company Ops

3 tools, what the team runs on day to day

Email Delivery

People & HR

What changed at Fifth Door

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Metabase

Fifth Door tech stack FAQ

What tools does Fifth Door use?

As of October 2026, runsonwhat has found 10 tools at Fifth Door (fifthdoor.com) in public records. Edge & Hosting: Cloudflare and Render. Application: Google Fonts. Data & Observability: PostHog and Metabase. Company Ops: Google Workspace, Resend and Rippling. Last checked October 18, 2026.

What cloud does Fifth Door run on?

Fifth Door uses Render for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Render through a subdomain that points at Render and code on fifthdoor.com. Render is used by 2,378 companies runsonwhat tracks.

What email provider does Fifth Door use?

Fifth Door uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 401,497 companies runsonwhat tracks.

What analytics tools does Fifth Door use?

Fifth Door uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on fifthdoor.com. PostHog is used by 9,845 companies runsonwhat tracks.

What does Fifth Door use for hiring and HR?

Fifth Door uses Rippling for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Rippling through a DNS verification record for Rippling. Rippling is used by 3,187 companies runsonwhat tracks.

How long has Fifth Door used Metabase?

Fifth Door has used Metabase since at least August 2026, going by the first public certificate of the fifthdoor.com subdomain that points at Metabase.

Does Fifth Door use Google Fonts?

Yes. runsonwhat found Google Fonts at Fifth Door through Google Fonts code on fifthdoor.com. Google Fonts is a Media & UI tool used by 806,806 companies runsonwhat tracks.

Which companies have a tech stack similar to Fifth Door's?

The companies with the stacks most like Fifth Door's are Hammr, AbjadPro, Quantum Analytics and Rts Reliable Tax Service, according to runsonwhat (October 2026). Each shares 2 to 6 tools with Fifth Door, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Fifth Door uses?

runsonwhat reads public records only. Of the 10 tools at Fifth Door, 3 were found through code on fifthdoor.com, 3 through DNS records, 2 through email records, 1 through website configuration files 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 fifthdoor.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.