runsonwhat

GFOS's tech stack

What does GFOS use?

GFOS (gfos.com) uses at least 18 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Google Analytics for analytics and Storylane for marketing. Last checked .

Industry
Software
Size
51–200 employees
Based in
Essen, Germany
Founded
1988
LinkedIn
Company page
Re-check liveVisit gfos.com
Tools found
18
Categories
11
Layers
5 of 5
Last checked
Oct 2026

GFOS'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

1 tool, where the bytes are served from

CDN & Edge

Application

3 tools, what the product is built with

AI

Media & UI

Data & Observability

3 tools, what they measure and store

Analytics

Go-to-market

6 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

Security & Compliance

Companies like GFOS also use

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

Companies with a stack like GFOS's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

GFOS tech stack FAQ

What tools does GFOS use?

As of October 2026, runsonwhat has found 18 tools at GFOS (gfos.com) in public records. Edge & Hosting: Cloudflare. Application: Font Awesome, GSAP and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Mailgun and Sophos. Last checked October 20, 2026.

What CRM does GFOS use?

GFOS uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on gfos.com. HubSpot is used by 93,060 companies runsonwhat tracks.

What email provider does GFOS use?

GFOS uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 706,417 companies runsonwhat tracks.

What analytics tools does GFOS use?

GFOS uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on gfos.com. Google Analytics is used by 865,246 companies runsonwhat tracks.

What marketing software does GFOS use?

GFOS uses Storylane for marketing, according to runsonwhat (October 2026). runsonwhat found Storylane through Storylane code on gfos.com. Storylane is used by 721 companies runsonwhat tracks.

Does GFOS use Cloudflare?

Yes. runsonwhat found Cloudflare at GFOS through DNS records that point at Cloudflare and code on gfos.com. Cloudflare is a CDN & Edge tool used by 697,718 companies runsonwhat tracks.

Does GFOS use AI tools?

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

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

The companies with the stacks most like GFOS' are Gradle, Branch, Ontra and Workato, according to runsonwhat (October 2026). Each shares 11 to 13 tools with GFOS, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what GFOS uses?

runsonwhat reads public records only. Of the 18 tools at GFOS, 10 were found through code on gfos.com, 6 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 gfos.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.