runsonwhat

Harmony's tech stack

What does Harmony use?

Harmony (harmony.one) uses at least 15 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, GitBook for customer support and Google Tag Manager for analytics. Last checked .

Industry
Software
Size
11–50 employees
Based in
Mountain View, United States
Founded
2018
LinkedIn
Company page
Tools found
15
Categories
12
Oldest proven tool
Aug 2019
Last checked
Oct 2026

Harmony'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

4 tools, where the bytes are served from

Application

2 tools, what the product is built with

Frontend

Media & UI

Data & Observability

3 tools, what they measure and store

Go-to-market

5 tools, how they find and keep customers

Company Ops

1 tool, what the team runs on day to day

What changed at Harmony

Using since

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

  1. GitBook

Harmony tech stack FAQ

What tools does Harmony use?

As of October 2026, runsonwhat has found 15 tools at Harmony (harmony.one) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: YouTube and React. Data & Observability: Google Tag Manager, Hotjar and Atlassian Statuspage. Go-to-market: X Ads, MailerLite and GitBook. Company Ops: Google Workspace. Last checked October 22, 2026.

What cloud does Harmony run on?

Harmony uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on harmony.one. Amazon Web Services is used by 145,748 companies runsonwhat tracks.

What email provider does Harmony use?

Harmony uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on harmony.one. Google Workspace is used by 403,652 companies runsonwhat tracks.

What does Harmony use for customer support?

Harmony uses GitBook for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found GitBook through a subdomain that points at GitBook, and Harmony has used it since at least August 2019. GitBook is used by 2,020 companies runsonwhat tracks.

What analytics tools does Harmony use?

Harmony uses Google Tag Manager for analytics, alongside Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on harmony.one. Google Tag Manager is used by 503,913 companies runsonwhat tracks.

What is Harmony's website built with?

Harmony uses Substack for its website, according to runsonwhat (October 2026). runsonwhat found Substack through a subdomain that points at Substack. Substack is used by 397 companies runsonwhat tracks.

How long has Harmony used GitBook?

Harmony has used GitBook since at least August 2019, going by the first public certificate of the harmony.one subdomain that points at GitBook.

Does Harmony use Cloudflare?

Yes. runsonwhat found Cloudflare at Harmony through Cloudflare code on harmony.one. Cloudflare is a CDN & Edge tool used by 704,567 companies runsonwhat tracks.

Which companies have a tech stack similar to Harmony's?

The companies with the stacks most like Harmony's are Mangrove, Bull Bitcoin, Moonwalk and DOS AI, according to runsonwhat (October 2026). Each shares 5 to 7 tools with Harmony, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Harmony uses?

runsonwhat reads public records only. Of the 15 tools at Harmony, 8 were found through code on harmony.one, 3 through subdomains that point at the vendor, 2 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and harmony.one 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.