runsonwhat

Greenbook's tech stack

What does Greenbook use?

Greenbook (greenbook.org) uses at least 19 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Tag Manager for analytics. Last checked .

LinkedIn
Company page
Re-check liveVisit greenbook.org
Tools found
19
Categories
12
Layers
5 of 5
Last checked
Oct 2026

Greenbook'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

Hosting & Cloud

CDN & Edge

Application

2 tools, what the product is built with

Frontend

AI

Data & Observability

3 tools, what they measure and store

Monitoring

Analytics

Go-to-market

5 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Company Ops

5 tools, what the team runs on day to day

Email Delivery

Workspace

Finance & Legal

Companies like Greenbook also use

Tools common among companies with a similar stack that we haven't found at Greenbook.

Companies with a stack like Greenbook's

Ranked by shared tools, with rare tools counting more.

Greenbook tech stack FAQ

What tools does Greenbook use?

As of October 2026, runsonwhat has found 19 tools at Greenbook (greenbook.org) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: Next.js and Anthropic. Data & Observability: Google Tag Manager, Sentry and PostHog. Go-to-market: HubSpot, Google Ad Manager and Salesforce. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 28, 2026.

What cloud does Greenbook run on?

Greenbook uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 146,169 companies runsonwhat tracks.

What CRM does Greenbook use?

Greenbook uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 95,241 companies runsonwhat tracks.

What email provider does Greenbook use?

Greenbook uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,573 companies runsonwhat tracks.

What analytics tools does Greenbook use?

Greenbook uses Google Tag Manager for analytics, alongside PostHog, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on greenbook.org. Google Tag Manager is used by 510,158 companies runsonwhat tracks.

What marketing software does Greenbook use?

Greenbook uses LinkedIn for marketing, according to runsonwhat (October 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 15,050 companies runsonwhat tracks.

Does Greenbook use Cloudflare?

Yes. runsonwhat found Cloudflare at Greenbook through DNS records that point at Cloudflare and code on greenbook.org. Cloudflare is a CDN & Edge tool used by 712,079 companies runsonwhat tracks.

Does Greenbook use AI tools?

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

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

The companies with the stacks most like Greenbook's are BNY, Infobip, U.s. Silica Company and Zenvia, according to runsonwhat (October 2026). Each shares 5 to 11 tools with Greenbook, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Greenbook uses?

runsonwhat reads public records only. Of the 19 tools at Greenbook, 9 were found through DNS records, 5 through code on greenbook.org, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and greenbook.org 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.