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Companies / CoCalc / Cloudflare

Does CoCalc use Cloudflare?

Yes

We hold strong evidence for this.

  • The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
  • Its script, DNS record or job board was loaded on the company's live website.

How we know

Subprocessor listProcesses data for the company8 Nov 2026Source
Websiteheader: cf-ray: a57488d9ce5fce4c-SJC8 Nov 2026Source

About CoCalc

CoCalc lets users describe software they want and an AI agent builds it in a project with their files and software. It serves collaborators who work together on files, notebooks, and terminals.

Summarized from its homepage on 8 Nov 2026.

AI and machine learningDeveloper tools

What else CoCalc uses

CoCalc has evidence for 8 vendors. The strongest:

Amazon SESAnthropicGoogle CloudNebiusOpenAISendGridGoogle Workspace

See the full CoCalc tech stack

Other companies using Cloudflare

12ui12ui.com15Five15five.com17hats17hats.com17hats University17hatsuniversity.com1K4.AI247 Profits247profits.org2manydots2manydots.nl360DT360dt.de

All 22,850 companies using Cloudflare

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