# What does SubImage use? SubImage (subimage.io) shows public evidence of 22 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Security - Size: 1–10 employees - Based in: San Francisco, United States ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code | | | [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) | Hosting & Cloud | Custom domain, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [WorkOS](https://www.runsonwhat.com/reverse/workos) | Auth & Identity | Custom domain | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Snitcher](https://www.runsonwhat.com/reverse/snitcher) | Sales & CRM | Website code | | | [Monaco](https://www.runsonwhat.com/reverse/monaco-sales) | Sales & CRM | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | ## Recent changes at SubImage - 2026-10-09: started using [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-10-09: started using [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-10-09: started using [Cursor](https://www.runsonwhat.com/reverse/cursor) - 2026-10-09: started using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-09: started using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-10-09: started using [OpenAI](https://www.runsonwhat.com/reverse/openai) - 2026-10-09: started using [Rippling](https://www.runsonwhat.com/reverse/rippling) - 2026-10-09: started using [Valimail](https://www.runsonwhat.com/reverse/valimail) ## FAQ ### What tools does SubImage use? As of October 2026, runsonwhat has found 22 tools at SubImage (subimage.io) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Fastly. Application: React, Next.js and OpenAI. Data & Observability: web-vitals, PostHog and incident.io. Go-to-market: Snitcher and Monaco. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 9, 2026. ### What cloud does SubImage run on? SubImage uses Amazon Web Services for hosting and cloud infrastructure, alongside GitHub Pages, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on subimage.io. Amazon Web Services is used by 144,878 companies runsonwhat tracks. ### What sales tools does SubImage use? The sales tools runsonwhat has found at SubImage are Snitcher and Monaco (October 2026); no CRM shows up in SubImage's public records. runsonwhat found Snitcher through Snitcher code on subimage.io. ### What email provider does SubImage use? SubImage uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,710 companies runsonwhat tracks. ### What analytics tools does SubImage use? SubImage uses PostHog for analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on subimage.io. PostHog is used by 9,414 companies runsonwhat tracks. ### What does SubImage use for hiring and HR? SubImage uses Rippling for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Rippling through a DNS verification record for Rippling. Rippling is used by 3,137 companies runsonwhat tracks. ### Does SubImage use React? Yes. runsonwhat found React at SubImage through React code on subimage.io. React is a Frontend tool used by 124,043 companies runsonwhat tracks. ### Does SubImage use AI tools? Yes. runsonwhat has found OpenAI at SubImage; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so SubImage may use more AI tools than these. ### Has SubImage changed tools recently? Yes. On runsonwhat's rechecks, SubImage started using Apple Business, Atlassian and Cursor (latest on October 9, 2026). A change counts only between two checks of subimage.io done the same way. ### Which companies have a tech stack similar to SubImage's? The companies with the stacks most like SubImage's are Ember, Cast AI, Inviscid AI and BentoLabs, according to runsonwhat (October 2026). Each shares 3 to 5 tools with SubImage, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what SubImage uses? runsonwhat reads public records only. Of the 22 tools at SubImage, 8 were found through DNS records, 7 through code on subimage.io, 4 through subdomains that point at the vendor, 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 subimage.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/subimage.io (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.