runsonwhat

Calcs.com's tech stack

What does Calcs.com use?

Calcs.com (calcs.com) uses at least 25 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .

“Where engineering decisions are made, trusted, and defended. The digital home for engineering decisions.”

Industry
Software
Size
11–50 employees
Based in
Melbourne, Australia
Founded
2016
LinkedIn
Company page
Re-check liveVisit calcs.com
Tools found
25
Categories
16
Layers
5 of 5
Last checked
Oct 2026

Calcs.com'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

Hosting & Cloud

CDN & Edge

DNS

Application

4 tools, what the product is built with

Frontend

AI

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

5 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Company Ops

9 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Security & Compliance

Companies like Calcs.com also use

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

Companies with a stack like Calcs.com's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Calcs.com tech stack FAQ

What tools does Calcs.com use?

As of October 2026, runsonwhat has found 25 tools at Calcs.com (calcs.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Segment and Mixpanel. Go-to-market: Google Ads, HubSpot and Webflow. Company Ops: Microsoft 365, Google Workspace and Mailchimp Transactional. Last checked October 21, 2026.

What cloud does Calcs.com run on?

Calcs.com uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on calcs.com. Amazon Web Services is used by 145,818 companies runsonwhat tracks.

What CRM does Calcs.com use?

Calcs.com uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on calcs.com. HubSpot is used by 94,345 companies runsonwhat tracks.

What email provider does Calcs.com use?

Calcs.com uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 712,565 companies runsonwhat tracks.

What analytics tools does Calcs.com use?

Calcs.com uses Google Analytics for analytics, alongside Segment and Mixpanel, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on calcs.com. Google Analytics is used by 884,926 companies runsonwhat tracks.

What is Calcs.com's website built with?

Calcs.com uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow. Webflow is used by 34,999 companies runsonwhat tracks.

Does Calcs.com use Google Ads?

Yes. runsonwhat found Google Ads at Calcs.com through Google Ads code on calcs.com. Google Ads is a Ads & Pixels tool used by 510,116 companies runsonwhat tracks.

Does Calcs.com use AI tools?

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

Which companies have a tech stack similar to Calcs.com's?

The companies with the stacks most like Calcs.com's are Payabli, Kard, Timescale, Inc., dba Tiger Data and UP42, according to runsonwhat (October 2026). Each shares 11 to 16 tools with Calcs.com, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Calcs.com uses?

runsonwhat reads public records only. Of the 25 tools at Calcs.com, 11 were found through DNS records, 9 through code on calcs.com, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and calcs.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.