Castus®'s tech stack
What does Castus® use?
Castus® (castus.pro) uses at least 7 tools we can see from public records, including Hetzner for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Brevo for marketing. Last checked .
- Industry
- Medical Devices
- Size
- 11–50 employees
- Based in
- Ochsenhausen, Germany
- Founded
- 2011
- Company page
- Tools found
- 7
- Categories
- 6
- Layers
- 5 of 5
- Last checked
- Oct 2026
Castus®'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
Hosting & Cloud
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
2 tools, what the team runs on day to day
Workspace
Castus® tech stack FAQ
What tools does Castus® use?
As of November 2026, runsonwhat has found 7 tools at Castus® (castus.pro) in public records. Edge & Hosting: Hetzner. Application: jQuery and Google Maps. Data & Observability: Google Analytics. Go-to-market: Brevo. Company Ops: Microsoft 365 and Exclaimer. Last checked October 30, 2026.
What cloud does Castus® run on?
Castus® uses Hetzner for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Hetzner through DNS records that point at Hetzner and code on castus.pro. Hetzner is used by 5,308 companies runsonwhat tracks.
What email provider does Castus® use?
Castus® uses Microsoft 365 for email and office software, alongside Exclaimer, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on castus.pro. Microsoft 365 is used by 719,050 companies runsonwhat tracks.
What analytics tools does Castus® use?
Castus® uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on castus.pro. Google Analytics is used by 906,376 companies runsonwhat tracks.
What marketing software does Castus® use?
Castus® uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 81,320 companies runsonwhat tracks.
Does Castus® use jQuery?
Yes. runsonwhat found jQuery at Castus® through jQuery code on castus.pro. jQuery is a Frontend tool used by 930,197 companies runsonwhat tracks.
How does runsonwhat know what Castus® uses?
runsonwhat reads public records only. Of the 7 tools at Castus®, 3 were found through code on castus.pro, 2 through email records and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castus.pro 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.