runsonwhat

OpenSSL's tech stack

What does OpenSSL use?

OpenSSL (openssl.org) uses at least 16 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Amazon SES for email delivery. Last checked .

Re-check liveVisit openssl.org
Tools found
16
Categories
9
Layers
4 of 5
Changes seen
2

OpenSSL'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

3 tools, where the bytes are served from

Hosting & Cloud

Application

4 tools, what the product is built with

Frontend

AI

Media & UI

Go-to-market

2 tools, how they find and keep customers

Marketing

Support & Docs

Company Ops

7 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

What changed at OpenSSL

Recent starts and stops

  1. StartedBitwarden
  2. StoppedGoogle Trust Services

Companies like OpenSSL also use

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

Companies with a stack like OpenSSL's

Ranked by shared tools, with rare tools counting more.

OpenSSL tech stack FAQ

What tools does OpenSSL use?

As of October 2026, runsonwhat has found 16 tools at OpenSSL (openssl.org) in public records. Edge & Hosting: Amazon Web Services, Google Cloud and GitHub Pages. Application: Font Awesome, Tailwind CSS and Anthropic. Go-to-market: Zendesk. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked October 9, 2026.

What cloud does OpenSSL run on?

OpenSSL uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and GitHub Pages, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on openssl.org. Amazon Web Services is used by 144,039 companies runsonwhat tracks.

What email provider does OpenSSL use?

OpenSSL uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,568 companies runsonwhat tracks.

What does OpenSSL use for customer support?

OpenSSL uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 40,205 companies runsonwhat tracks.

Does OpenSSL use Font Awesome?

Yes. runsonwhat found Font Awesome at OpenSSL through Font Awesome code on openssl.org. Font Awesome is a Media & UI tool used by 378,391 companies runsonwhat tracks.

Does OpenSSL use AI tools?

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

Has OpenSSL changed tools recently?

Yes. On runsonwhat's rechecks, OpenSSL started using Bitwarden (latest on October 9, 2026) and stopped using Google Trust Services (latest on October 9, 2026). A change counts only between two checks of openssl.org done the same way.

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

The companies with the stacks most like OpenSSL's are The Blog of Andrey Lepekhin, ACSI, Husqvarna Viking and ClipDrop, according to runsonwhat (October 2026). Each shares 1 to 5 tools with OpenSSL, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what OpenSSL uses?

runsonwhat reads public records only. Of the 16 tools at OpenSSL, 7 were found through DNS records, 3 through email records, 3 through code on openssl.org and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openssl.org 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.