What does Circular.co use?

As of October 2026, runsonwhat has found 15 tools at Circular.co (circular.co) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Webflow and Discourse. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 24, 2026.

Circular.co uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 145,625 companies runsonwhat tracks.

Circular.co 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 710,129 companies runsonwhat tracks.

Circular.co uses Discourse for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discourse through a subdomain that points at Discourse. Discourse is used by 722 companies runsonwhat tracks.

Circular.co uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on circular.co. Google Analytics is used by 878,780 companies runsonwhat tracks.

Circular.co uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on circular.co. Webflow is used by 34,827 companies runsonwhat tracks.

Yes. runsonwhat found jQuery at Circular.co through jQuery code on circular.co. jQuery is a Frontend tool used by 914,913 companies runsonwhat tracks.

The companies with the stacks most like Circular.co's are Asset Vantage, Fulcrum Science, Ruby on Rails: Compress the complexity of modern web apps and Chitchat, according to runsonwhat (October 2026). Each shares 2 to 8 tools with Circular.co, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 15 tools at Circular.co, 7 were found through code on circular.co, 3 through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and circular.co about monthly.