runsonwhat

CalPlus's tech stack

What does CalPlus use?

CalPlus (calplus.de) uses at least 11 tools we can see from public records, including Exclaimer for email and documents, PayPal for payments, Brevo for marketing and CCM19 for security. Last checked .

Industry
Wholesale
Size
11–50 employees
Based in
Berlin, Germany
Founded
1999
LinkedIn
Company page
Re-check liveVisit calplus.de
Tools found
11
Categories
8
Layers
4 of 5
Last checked
Nov 2026

CalPlus's stack, layer by layer

Of 11 tools, 6 came from website code, 3 from email records, 1 from DNS records and 1 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

2 tools, where the bytes are served from

CDN & Edge

DNS

Application

2 tools, what the product is built with

Payments & Billing

Media & UI

Go-to-market

4 tools, how they find and keep customers

Marketing

Ads & Pixels

Company Ops

3 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like CalPlus also use

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

Companies with a stack like CalPlus's

Ranked by shared tools, with rare tools counting more.

More Wholesale companies

Other Wholesale companies we've checked.

CalPlus tech stack FAQ

What tools does CalPlus use?

As of November 2026, runsonwhat has found 11 tools at CalPlus (calplus.de) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: PayPal and Three.js. Go-to-market: LinkedIn Insight Tag, Brevo and Inxmail. Company Ops: Microsoft 365, Exclaimer and CCM19. Last checked November 10, 2026.

What email provider does CalPlus use?

CalPlus uses Microsoft 365 for email and office software, alongside Exclaimer, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 737,877 companies runsonwhat tracks.

What payment provider does CalPlus use?

CalPlus uses PayPal for payments and billing, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on calplus.de. PayPal is used by 35,169 companies runsonwhat tracks.

What marketing software does CalPlus use?

CalPlus uses Brevo for marketing, alongside Inxmail, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 84,724 companies runsonwhat tracks.

Does CalPlus use Cloudflare?

Yes. runsonwhat found Cloudflare at CalPlus through Cloudflare code on calplus.de. Cloudflare is a CDN & Edge tool used by 736,485 companies runsonwhat tracks.

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

The companies with the stacks most like CalPlus' are Lfk Landesverband Freie Ambulante Krankenpflege Nrw E.v., Handwerkskammer Niederbayern - Oberpfalz, Wellnest International and Sysmex Netherlands & Belgium, according to runsonwhat (November 2026). Each shares 3 to 5 tools with CalPlus, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what CalPlus uses?

runsonwhat reads public records only. Of the 11 tools at CalPlus, 6 were found through code on calplus.de, 3 through email records and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and calplus.de 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.