runsonwhat

Open Session's tech stack

What does Open Session use?

Open Session (opensession.com) uses at least 6 tools we can see from public records, including Vercel for hosting, Vercel Analytics for analytics and Let's Encrypt for security. Last checked .

Re-check liveVisit opensession.com
Tools found
6
Categories
4
Layers
4 of 5
Last checked
Oct 2026

Open Session'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

1 tool, what the product is built with

Frontend

Data & Observability

1 tool, what they measure and store

Analytics

Company Ops

3 tools, what the team runs on day to day

Security & Compliance

Companies like Open Session also use

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

Companies with a stack like Open Session's

Ranked by shared tools, with rare tools counting more.

Open Session tech stack FAQ

What tools does Open Session use?

We've found 6 tools at Open Session (opensession.com). Edge & Hosting: Vercel. Application: Next.js. Data & Observability: Vercel Analytics. Company Ops: Let's Encrypt, Sectigo and Google Trust Services. Last checked October 2, 2026.

What cloud does Open Session run on?

Open Session uses Vercel for hosting. We found Vercel through DNS records.

What analytics tools does Open Session use?

Open Session uses Vercel Analytics for analytics. We found Vercel Analytics through website code.

Does Open Session use Let's Encrypt?

Yes. We found Let's Encrypt at Open Session through DNS records. Let's Encrypt is used by 23,019 companies we track.

How does runsonwhat know what Open Session uses?

We read public traces only: Open Session'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.