runsonwhat

OpenSEO's tech stack

What does OpenSEO use?

OpenSEO (openseo.so) uses at least 8 tools we can see from public records, including Google Workspace for email and documents, Discord for customer support, Ahrefs for marketing and Cloudflare for content delivery. Last checked .

“Open source alternative to Semrush and Ahrefs”

Industry
Marketing
Size
1–10 employees
Based in
Boston, United States
Re-check liveVisit openseo.so
Tools found
8
Categories
5
Layers
4 of 5
Last checked
Oct 2026

OpenSEO'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

CDN & Edge

Application

1 tool, what the product is built with

Media & UI

Go-to-market

4 tools, how they find and keep customers

Marketing

Support & Docs

Company Ops

2 tools, what the team runs on day to day

Workspace

Companies like OpenSEO also use

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

Companies with a stack like OpenSEO's

Ranked by shared tools, with rare tools counting more.

More Marketing companies

Other Marketing companies we've checked.

OpenSEO tech stack FAQ

What tools does OpenSEO use?

We've found 8 tools at OpenSEO (openseo.so). Edge & Hosting: Cloudflare. Application: Google Fonts. Go-to-market: Ahrefs, Discord and Dub. Company Ops: Google Workspace and Proton Mail. Last checked October 2, 2026.

What email provider does OpenSEO use?

OpenSEO uses Google Workspace and Proton Mail for email and documents. We found Google Workspace through email records.

What does OpenSEO use for customer support?

OpenSEO uses Discord for customer support. We found Discord through website code.

What marketing software does OpenSEO use?

OpenSEO uses Ahrefs and Dub for marketing. We found Ahrefs through DNS verification records.

Does OpenSEO use Cloudflare?

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

How does runsonwhat know what OpenSEO uses?

We read public traces only: OpenSEO'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.