# What does GPnotebook use? GPnotebook (gpnotebook.com) shows public evidence of 30 tools, according to runsonwhat (last checked 2026-10-27). - Industry: Healthcare - Size: 11–50 employees - Based in: London, United Kingdom - Founded: 1991 - LinkedIn: https://www.linkedin.com/company/gpnotebook ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website config, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2023-09 | | [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code | | | [Sanity](https://www.runsonwhat.com/reverse/sanity) | Website & CMS | Website code | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [Probely](https://www.runsonwhat.com/reverse/probely) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does GPnotebook use? As of October 2026, runsonwhat has found 30 tools at GPnotebook (gpnotebook.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Vimeo, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 27, 2026. ### What cloud does GPnotebook run on? GPnotebook uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 48,671 companies runsonwhat tracks. ### What CRM does GPnotebook use? GPnotebook uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on gpnotebook.com. HubSpot is used by 94,517 companies runsonwhat tracks. ### What email provider does GPnotebook use? GPnotebook 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 and email records. Microsoft 365 is used by 713,703 companies runsonwhat tracks. ### What does GPnotebook use for customer support? GPnotebook uses Help Scout for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Help Scout through email records that authorize Help Scout. Help Scout is used by 2,922 companies runsonwhat tracks. ### What payment provider does GPnotebook use? GPnotebook uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on gpnotebook.com. Stripe is used by 28,921 companies runsonwhat tracks. ### How long has GPnotebook used HubSpot CMS? GPnotebook has used HubSpot CMS since at least September 2023, going by the first public certificate of the gpnotebook.com subdomain that points at HubSpot CMS. ### Does GPnotebook use Cloudflare? Yes. runsonwhat found Cloudflare at GPnotebook through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 706,640 companies runsonwhat tracks. ### Which companies have a tech stack similar to GPnotebook's? The companies with the stacks most like GPnotebook's are TPF | The Payments Factory, Courimo, Ovex and WRIO, according to runsonwhat (October 2026). Each shares 6 to 10 tools with GPnotebook, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what GPnotebook uses? runsonwhat reads public records only. Of the 30 tools at GPnotebook, 15 were found through code on gpnotebook.com, 6 through DNS records, 5 through email records, 2 through website configuration files and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and gpnotebook.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/gpnotebook.com (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.