runsonwhat

zerodays d.o.o.'s tech stack

What does zerodays d.o.o. use?

zerodays d.o.o. (zerodays.dev) uses at least 16 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, PostHog for analytics and Sentry for monitoring. Last checked .

Industry
Software
Size
1–10 employees
Based in
Ljubljana, Slovenia
Founded
2021
LinkedIn
Company page
Re-check liveVisit zerodays.dev
Tools found
16
Categories
10
Layers
5 of 5
Last checked
Oct 2026

zerodays d.o.o.'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

2 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

3 tools, what the product is built with

Frontend

AI

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

6 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

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Ranked by shared tools, with rare tools counting more.

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zerodays d.o.o. tech stack FAQ

What tools does zerodays d.o.o. use?

We've found 16 tools at zerodays d.o.o. (zerodays.dev). Edge & Hosting: Cloudflare and Vercel. Application: Next.js and Tailwind CSS. Data & Observability: Sentry, web-vitals and PostHog. Company Ops: Google Workspace, Let's Encrypt and Sectigo. Last checked October 4, 2026.

What cloud does zerodays d.o.o. run on?

zerodays d.o.o. uses Vercel for hosting. We found Vercel through custom domain, DNS verification records, DNS records and website code.

What email provider does zerodays d.o.o. use?

zerodays d.o.o. uses Google Workspace for email and documents. We found Google Workspace through email records.

What analytics tools does zerodays d.o.o. use?

zerodays d.o.o. uses PostHog for analytics. We found PostHog through website code.

Does zerodays d.o.o. use Cloudflare?

Yes. We found Cloudflare at zerodays d.o.o. through DNS records. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what zerodays d.o.o. uses?

We read public traces only: zerodays d.o.o.'s DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.