Stacker's tech stack
What does Stacker use?
Stacker (stackerhq.com) uses at least 9 tools we can see from public records, including Google Workspace for email and documents, Zendesk for customer support, Mailchimp for marketing and Cloudflare for content delivery. Last checked .
“Turns spreadsheets into internal apps and customer portals”
- Industry
- Productivity
- Size
- 1–10 employees
- Based in
- London, United Kingdom
- Founded
- 2021
- Company page
- Tools found
- 9
- Categories
- 7
- Layers
- 4 of 5
- Last checked
- Oct 2026
Stacker'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
Frontend
Go-to-market
4 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
3 tools, what the team runs on day to day
Companies like Stacker also use
Tools common among companies with a similar stack that we haven't found at Stacker.
Companies with a stack like Stacker's
Ranked by shared tools, with rare tools counting more.
CerebriumInfrastructure · 1–10 people5in common
CodeCraftersJob and Career Services · 1–10 people5in common
RenderSoftware · 51–200 people7in common
PhotoroomSoftware · 51–200 people7in common
WritesonicMarketing · 11–50 people6in common
PoplB2B · 51–200 people6in common
SunsamaProductivity · 1–10 people4in common
CinapseProductivity · 1–10 people4in common
More Productivity companies
Other Productivity companies we've checked.
Stacker tech stack FAQ
What tools does Stacker use?
We've found 9 tools at Stacker (stackerhq.com). Edge & Hosting: Cloudflare. Application: Next.js. Go-to-market: Mailchimp, Zendesk and Intercom. Company Ops: Google Workspace, SendGrid and DMARC Digests. Last checked October 2, 2026.
What email provider does Stacker use?
Stacker uses Google Workspace for email and documents. We found Google Workspace through email records.
What does Stacker use for customer support?
Stacker uses Zendesk, Intercom and Canny for customer support. We found Zendesk through custom domain.
What marketing software does Stacker use?
Stacker uses Mailchimp for marketing. We found Mailchimp through email records.
Does Stacker use Cloudflare?
Yes. We found Cloudflare at Stacker through DNS records and website code. Cloudflare is used by 147,753 companies we track.
How does runsonwhat know what Stacker uses?
We read public traces only: Stacker'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.