3Square's tech stack
What does 3Square use?
3Square (3square.ai) uses at least 5 tools we can see from public records, including Google Workspace for email and documents, Zitadel for sign-in and Cloudflare for content delivery. Last checked .
- Tools found
- 5
- Categories
- 5
- Layers
- 4 of 5
- Last checked
- Oct 2026
3Square'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
2 tools, what the product is built with
Frontend
Auth & Identity
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
1 tool, what the team runs on day to day
Workspace
Companies like 3Square also use
Tools common among companies with a similar stack that we haven't found at 3Square.
Companies with a stack like 3Square's
Ranked by shared tools, with rare tools counting more.
3Square tech stack FAQ
What tools does 3Square use?
As of October 2026, runsonwhat has found 5 tools at 3Square (3square.ai) in public records. Edge & Hosting: Cloudflare. Application: Astro and Zitadel. Company Ops: Google Workspace. Last checked October 18, 2026.
What email provider does 3Square use?
3Square uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 402,296 companies runsonwhat tracks.
What does 3Square use for login and identity?
3Square uses Zitadel for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Zitadel through a subdomain that points at Zitadel. Zitadel is used by 31 companies runsonwhat tracks.
Does 3Square use Cloudflare?
Yes. runsonwhat found Cloudflare at 3Square through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 702,398 companies runsonwhat tracks.
Which companies have a tech stack similar to 3Square's?
The companies with the stacks most like 3Square's are Zebbra, TEC-IT, Secaro and Ason Payroll, according to runsonwhat (October 2026). Each shares 2 to 4 tools with 3Square, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what 3Square uses?
runsonwhat reads public records only. Of the 5 tools at 3Square, 2 were found through DNS records, 1 through email records, 1 through code on 3square.ai and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 3square.ai 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.