What does OpenMail use?

As of October 2026, runsonwhat has found 25 tools at OpenMail (openmail.sh) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: Google Ads, X Ads and Ahrefs. Company Ops: Amazon SES, Mailgun and Red Sift OnDMARC. Last checked October 19, 2026.

OpenMail uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel and Railway, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on openmail.sh. Amazon Web Services is used by 145,486 companies runsonwhat tracks.

OpenMail uses Discord for customer support and documentation, alongside Mintlify, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on openmail.sh. Discord is used by 5,382 companies runsonwhat tracks.

OpenMail uses Google Analytics for analytics, alongside PostHog and Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on openmail.sh. Google Analytics is used by 875,491 companies runsonwhat tracks.

OpenMail uses Ahrefs for marketing, according to runsonwhat (October 2026). runsonwhat found Ahrefs through Ahrefs code on openmail.sh. Ahrefs is used by 23,427 companies runsonwhat tracks.

OpenMail uses web-vitals for monitoring, alongside Hyperping, according to runsonwhat (October 2026). runsonwhat found web-vitals through web-vitals code on openmail.sh. web-vitals is used by 27,710 companies runsonwhat tracks.

Yes. runsonwhat found Cloudflare at OpenMail through Cloudflare code on openmail.sh. Cloudflare is a CDN & Edge tool used by 701,362 companies runsonwhat tracks.

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

The companies with the stacks most like OpenMail's are NewsCatcher, Windsock, DevExpress and FrankieOne, according to runsonwhat (October 2026). Each shares 6 to 13 tools with OpenMail, 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 25 tools at OpenMail, 15 were found through code on openmail.sh, 5 through subdomains that point at the vendor, 2 through DNS records, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openmail.sh about monthly.