runsonwhat

Calm's tech stack

What does Calm use?

Calm (calm.com) uses at least 40 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .

Industry
Software
Size
201–1,000 employees
Based in
San Francisco, United States
Founded
2012
LinkedIn
Company page
Tools found
40
Categories
19
Oldest proven tool
Jul 2021
Last checked
Oct 2026

Calm'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

3 tools, where the bytes are served from

Application

4 tools, what the product is built with

Company Ops

14 tools, what the team runs on day to day

What changed at Calm

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Squarespace
  2. Shopify
  3. Atlassian Statuspage
  4. Marketo
  5. Amazon CloudFront

Calm tech stack FAQ

What tools does Calm use?

As of October 2026, runsonwhat has found 40 tools at Calm (calm.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: Next.js, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 9, 2026.

What cloud does Calm run on?

Calm uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 144,506 companies runsonwhat tracks.

What CRM does Calm use?

Calm uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 91,254 companies runsonwhat tracks.

What email provider does Calm use?

Calm uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 697,026 companies runsonwhat tracks.

What does Calm use for customer support?

Calm uses Zendesk for customer support and documentation, alongside Drift, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 40,547 companies runsonwhat tracks.

What payment provider does Calm use?

Calm uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on calm.com. Stripe is used by 25,817 companies runsonwhat tracks.

How long has Calm used Squarespace?

Calm has used Squarespace since at least July 2021, going by the first public certificate of the calm.com subdomain that points at Squarespace. Other long-running tools at Calm include Shopify (since November 2021), Atlassian Statuspage (since May 2022) and Marketo (since August 2022).

Does Calm use Google Ads?

Yes. runsonwhat found Google Ads at Calm through Google Ads code on calm.com. Google Ads is a Ads & Pixels tool used by 449,935 companies runsonwhat tracks.

Does Calm use AI tools?

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

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

The companies with the stacks most like Calm's are Lucanet Americas, Workjam, ALTR and Linvio, A Paymogy Company, according to runsonwhat (October 2026). Each shares 2 to 16 tools with Calm, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Calm uses?

runsonwhat reads public records only. Of the 40 tools at Calm, 20 were found through DNS records, 9 through code on calm.com, 8 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and calm.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.