runsonwhat

Kasspian's tech stack

What does Kasspian use?

Kasspian (kasspian.com) uses at least 9 tools we can see from public records, including Fly.io for hosting, Brevo for marketing, Clerk for sign-in and Sentry for monitoring. Last checked .

“Kasspian finds the rooms your buyers are already posting in, tells you which ones will let you speak, and writes the reply.”

LinkedIn
Company page
Re-check liveVisit kasspian.com
Tools found
9
Categories
9
Oldest proven tool
May 2026
Last checked
Oct 2026

Kasspian'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

4 tools, what the product is built with

Frontend

Auth & Identity

AI

Media & UI

Data & Observability

1 tool, what they measure and store

Monitoring

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

1 tool, what the team runs on day to day

Email Delivery

What changed at Kasspian

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Clerk

Companies like Kasspian also use

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

Companies with a stack like Kasspian's

Ranked by shared tools, with rare tools counting more.

Kasspian tech stack FAQ

What tools does Kasspian use?

We've found 9 tools at Kasspian (kasspian.com). Edge & Hosting: Cloudflare and Fly.io. Application: Google Fonts, Next.js and Clerk. Data & Observability: Sentry. Go-to-market: Brevo. Company Ops: Resend. Last checked October 2, 2026.

What cloud does Kasspian run on?

Kasspian uses Fly.io for hosting. We found Fly.io through website code.

What marketing software does Kasspian use?

Kasspian uses Brevo for marketing. We found Brevo through DNS verification records.

Does Kasspian use Cloudflare?

Yes. We found Cloudflare at Kasspian through email records, DNS records and website code. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what Kasspian uses?

We read public traces only: Kasspian'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.