runsonwhat

ISN GmbH's tech stack

What does ISN GmbH use?

ISN GmbH (isn-systems.com) uses at least 6 tools we can see from public records, including Microsoft 365 for email and documents, Matomo for analytics, Let's Encrypt for security and OpenAI for AI. Last checked .

Industry
Software
Size
11–50 employees
Based in
Schkopau, Germany
Founded
1999
LinkedIn
Company page
Tools found
6
Categories
5
Layers
4 of 5
Changes seen
1

ISN GmbH'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.

Application

2 tools, what the product is built with

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

1 tool, how they find and keep customers

Company Ops

2 tools, what the team runs on day to day

Security & Compliance

What changed at ISN GmbH

Recent starts and stops

  1. StartedMatomo

ISN GmbH tech stack FAQ

What tools does ISN use?

As of October 2026, runsonwhat has found 6 tools at ISN (isn-systems.com) in public records. Application: OpenAI and Mistral AI. Data & Observability: Matomo. Company Ops: Microsoft 365 and Let's Encrypt. Last checked October 22, 2026.

What email provider does ISN use?

ISN uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 710,115 companies runsonwhat tracks.

What analytics tools does ISN use?

ISN uses Matomo for analytics, according to runsonwhat (October 2026). runsonwhat found Matomo through Matomo code on isn-systems.com. Matomo is used by 34,199 companies runsonwhat tracks.

Does ISN use Let's Encrypt?

Yes. runsonwhat found Let's Encrypt at ISN through DNS records that point at Let's Encrypt. Let's Encrypt is a Security & Compliance tool used by 55,718 companies runsonwhat tracks.

Does ISN use AI tools?

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

Has ISN changed tools recently?

Yes. On runsonwhat's rechecks, ISN started using Matomo (latest on October 22, 2026). A change counts only between two checks of isn-systems.com done the same way.

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

The companies with the stacks most like ISN's are Nerya, dbWatch, WebNL creative studios and NetCeler, according to runsonwhat (October 2026). Each shares 2 to 3 tools with ISN, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what ISN uses?

runsonwhat reads public records only. Of the 6 tools at ISN, 5 were found through DNS records, 1 through code on isn-systems.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and isn-systems.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.