# What does Fellow use? Fellow (fellow.ai) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-11-08). - Industry: Software - Size: 51–200 employees - Based in: Ottawa, Canada - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/fellow-ai ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [RudderStack](https://www.runsonwhat.com/reverse/rudderstack) | Analytics | Website code | | | [GrowthBook](https://www.runsonwhat.com/reverse/growthbook) | Flags & Experiments | Website code | | | [Heap](https://www.runsonwhat.com/reverse/heap) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | 2025-07 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code | | | [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code | | | [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Website code | | | [ReadMe](https://www.runsonwhat.com/reverse/readme) | Support & Docs | Custom domain | 2025-07 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [BambooHR](https://www.runsonwhat.com/reverse/bamboohr) | People & HR | Website code | | ## FAQ ### What tools does Fellow use? As of November 2026, runsonwhat has found 28 tools at Fellow (fellow.ai) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: Google Fonts and React. Data & Observability: Google Analytics, Microsoft Clarity and Hotjar. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Google Workspace and BambooHR. Last checked November 8, 2026. ### What cloud does Fellow run on? Fellow uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on fellow.ai. Amazon Web Services is used by 147,680 companies runsonwhat tracks. ### What CRM does Fellow use? Fellow uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on fellow.ai. HubSpot is used by 98,108 companies runsonwhat tracks. ### What email provider does Fellow use? Fellow uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on fellow.ai. Google Workspace is used by 422,594 companies runsonwhat tracks. ### What does Fellow use for customer support? Fellow uses Intercom for customer support and documentation, alongside ReadMe, according to runsonwhat (November 2026). runsonwhat found Intercom through Intercom code on fellow.ai. Intercom is used by 9,214 companies runsonwhat tracks. ### What analytics tools does Fellow use? Fellow uses Google Analytics for analytics, alongside Microsoft Clarity, Hotjar and RudderStack, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on fellow.ai. Google Analytics is used by 904,532 companies runsonwhat tracks. ### How long has Fellow used ReadMe? Fellow has used ReadMe since at least July 2025, going by the first public certificate of the fellow.ai subdomain that points at ReadMe. Other long-running tools at Fellow include incident.io (since July 2025). ### Does Fellow use Google Fonts? Yes. runsonwhat found Google Fonts at Fellow through Google Fonts code on fellow.ai. Google Fonts is a Media & UI tool used by 826,022 companies runsonwhat tracks. ### Which companies have a tech stack similar to Fellow's? The companies with the stacks most like Fellow's are SafetyChain Software, MVP One, Zuper and Your Arbor, according to runsonwhat (November 2026). Each shares 11 to 18 tools with Fellow, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Fellow uses? runsonwhat reads public records only. Of the 28 tools at Fellow, 20 were found through code on fellow.ai, 3 through DNS records, 2 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 fellow.ai about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/fellow.ai (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.