runsonwhat

Castlabs's tech stack

What does Castlabs use?

Castlabs (castlabs.com) uses at least 16 tools we can see from public records, including Google Cloud for hosting, HubSpot for sales, Matomo for analytics and Atlassian Statuspage for monitoring. Last checked .

Industry
Software
Size
51–200 employees
Based in
Berlin, Germany
Founded
2007
LinkedIn
Company page
Re-check liveVisit castlabs.com
Tools found
16
Categories
13
Layers
5 of 5
Last checked
Nov 2026

Castlabs's stack, layer by layer

Of 16 tools, 5 came from DNS verification records, 3 from website code, 3 from email records and 5 from other records. 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

3 tools, where the bytes are served from

Hosting & Cloud

DNS

Application

1 tool, what the product is built with

AI

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

Go-to-market

4 tools, how they find and keep customers

Website & CMS

Marketing

Sales & CRM

Company Ops

6 tools, what the team runs on day to day

Email Delivery

Workspace

Dev Tools

People & HR

Security & Compliance

Companies like Castlabs also use

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

Companies with a stack like Castlabs's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Castlabs tech stack FAQ

What tools does Castlabs use?

As of November 2026, runsonwhat has found 16 tools at Castlabs (castlabs.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Google Cloud. Data & Observability: Matomo and Atlassian Statuspage. Go-to-market: WordPress, Yoast SEO and HubSpot. Company Ops: Google Workspace, Atlassian and Amazon SES. Last checked November 3, 2026.

What cloud does Castlabs run on?

Castlabs uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on castlabs.com. Amazon Web Services is used by 147,222 companies runsonwhat tracks.

What CRM does Castlabs use?

Castlabs uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on castlabs.com. HubSpot is used by 97,149 companies runsonwhat tracks.

What email provider does Castlabs use?

Castlabs uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 416,961 companies runsonwhat tracks.

What analytics tools does Castlabs use?

Castlabs uses Matomo for analytics, according to runsonwhat (November 2026). runsonwhat found Matomo through Matomo code on castlabs.com. Matomo is used by 35,767 companies runsonwhat tracks.

What is Castlabs's website built with?

Castlabs uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on castlabs.com. WordPress is used by 606,889 companies runsonwhat tracks.

Does Castlabs use Amazon Route 53?

Yes. runsonwhat found Amazon Route 53 at Castlabs through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 88,222 companies runsonwhat tracks.

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

The companies with the stacks most like Castlabs' are Nexla, Pi Datametrics, Chathero and Stibo Systems, according to runsonwhat (November 2026). Each shares 4 to 10 tools with Castlabs, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Castlabs uses?

runsonwhat reads public records only. Of the 16 tools at Castlabs, 6 were found through DNS records, 3 through code on castlabs.com, 3 through email records, 3 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castlabs.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.