4sys Kft.'s tech stack
What does 4sys Kft. use?
4sys Kft. (4sys.hu) uses at least 9 tools we can see from public records, including Microsoft 365 for email and documents and Let's Encrypt for security. Last checked .
- Industry
- Software
- Size
- 11–50 employees
- Based in
- Hungary
- Company page
- Tools found
- 9
- Categories
- 5
- Layers
- 3 of 5
- Last checked
- Oct 2026
4sys Kft.'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
5 tools, what the product is built with
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
3 tools, what the team runs on day to day
Workspace
Security & Compliance
4sys Kft. tech stack FAQ
What tools does 4sys Kft. use?
As of October 2026, runsonwhat has found 9 tools at 4sys Kft. (4sys.hu) in public records. Application: jQuery, Google Fonts and Vimeo. Company Ops: Microsoft 365, Let's Encrypt and Sectigo. Last checked October 17, 2026.
What email provider does 4sys Kft. use?
4sys Kft. 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 and email records. Microsoft 365 is used by 706,403 companies runsonwhat tracks.
Does 4sys Kft. use jQuery?
Yes. runsonwhat found jQuery at 4sys Kft. through jQuery code on 4sys.hu. jQuery is a Frontend tool used by 905,871 companies runsonwhat tracks.
How does runsonwhat know what 4sys Kft. uses?
runsonwhat reads public records only. Of the 9 tools at 4sys Kft., 5 were found through code on 4sys.hu, 4 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 4sys.hu 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.