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Technologies / Altinity / Castor

Companies using Altinity and Castor

1 company in our data has public evidence for both Altinity and Castor, and 1 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

1companies use both
10%of Altinity users
50%of Castor users
1name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAltinityCastor
Cypress.ioCypress provides an open-source app and a cloud platform for testing web applications, including end-to-end, component, and API testing.

The two technologies

Altinity is a company that provides managed cloud services, support, and open source software for ClickHouse. It is used to run, optimize, and manage ClickHouse deployments.

Summarized from altinity.com on 8 Nov 2026.

10% of the 10 companies we see using Altinity also show the other.

All 10 companies using Altinity10 name it as a subprocessorMore in Data

Castor is an AI-native clinical trial platform that combines EDC, eCOA, eConsent, and data management in one platform. It is used to capture, manage, and review clinical trial and real-world evidence study data.

Summarized from castoredc.com on 8 Nov 2026.

50% of the 2 companies we see using Castor also show the other.

All 2 companies using Castor

Other pairs

Companies with their own evidence for both.

More with Altinity

Cloudflare10companiesGoogle Workspace9companiesAmazon Web Services8companiesGoogle Cloud7companiesOpenAI7companiesGoogle Tag Manager6companies

Questions

How many companies use both Altinity and Castor?

1 company in StrataDB's data has public evidence for both, and 1 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Altinity and Castor?

Cypress.io. Each one links to the evidence behind it.

How does StrataDB know a company uses Altinity and Castor?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Altinity and Castor

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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