# What does Posit use? Posit (rstudio.com) shows public evidence of 35 tools, according to runsonwhat (last checked 2026-10-31). - LinkedIn: https://www.linkedin.com/company/posit-software ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code | | | [Netlify](https://www.runsonwhat.com/reverse/netlify) | Hosting & Cloud | Custom domain, DNS records | 2017-09 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | Website code | | | [AddToAny](https://www.runsonwhat.com/reverse/addtoany) | Media & UI | 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 | | | [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | Website code | | | [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | DNS verification records | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain, Email records | 2015-08 | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [Qualified](https://www.runsonwhat.com/reverse/qualified) | Sales & CRM | Website code | | | [Common Room](https://www.runsonwhat.com/reverse/commonroom) | Sales & CRM | Website code | | | [Reo.dev](https://www.runsonwhat.com/reverse/reo) | Sales & CRM | Website code | | ## 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 | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records | | | [NetSuite](https://www.runsonwhat.com/reverse/netsuite) | Finance & Legal | Email records | | ## FAQ ### What tools does Posit use? As of November 2026, runsonwhat has found 35 tools at Posit (rstudio.com) in public records. Edge & Hosting: Amazon Route 53, Amazon CloudFront and Netlify. Application: Google Fonts, Wistia and AddToAny. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, LinkedIn Insight Tag and Mailchimp. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 31, 2026. ### What cloud does Posit run on? Posit uses Netlify for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Netlify through a subdomain that points at Netlify and DNS records, and Posit has used it since at least September 2017. Netlify is used by 12,012 companies runsonwhat tracks. ### What sales tools does Posit use? The sales tools runsonwhat has found at Posit are Calendly, 6sense, Qualified and Common Room (November 2026); no CRM shows up in Posit's public records. runsonwhat found Calendly through a DNS verification record for Calendly. ### What email provider does Posit use? Posit uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 719,883 companies runsonwhat tracks. ### What does Posit use for customer support? Posit uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,887 companies runsonwhat tracks. ### What analytics tools does Posit use? Posit uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on rstudio.com. Google Analytics is used by 906,325 companies runsonwhat tracks. ### How long has Posit used Marketo? Posit has used Marketo since at least August 2015, going by the first public certificate of the rstudio.com subdomain that points at Marketo. Other long-running tools at Posit include Netlify (since September 2017). ### Does Posit use Google Fonts? Yes. runsonwhat found Google Fonts at Posit through Google Fonts code on rstudio.com. Google Fonts is a Media & UI tool used by 825,904 companies runsonwhat tracks. ### Which companies have a tech stack similar to Posit's? The companies with the stacks most like Posit's are Posit, Coder, Formance and Fastino, according to runsonwhat (November 2026). Each shares 8 to 31 tools with Posit, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Posit uses? runsonwhat reads public records only. Of the 35 tools at Posit, 17 were found through code on rstudio.com, 10 through DNS records, 5 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rstudio.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/rstudio.com (updated November 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.