# What does Outthink use? Outthink (outthink.io) shows public evidence of 33 tools, according to runsonwhat (last checked 2026-10-27). - Industry: Computer & Network Security - Size: 51–200 employees - Based in: New York, United States - Founded: 2015 - LinkedIn: https://www.linkedin.com/company/outthink-io ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Subprocessor list, Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | 2023-10 | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain, Subprocessor list | 2023-09 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | Subprocessor list | | | [ElevenLabs](https://www.runsonwhat.com/reverse/elevenlabs) | AI | Subprocessor list | | ## 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code | | | [Site24x7](https://www.runsonwhat.com/reverse/site24x7) | Monitoring | Custom domain, DNS verification records, Subprocessor list | 2024-07 | ## 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 | Subprocessor list | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Subprocessor list, Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Apollo.io](https://www.runsonwhat.com/reverse/apollo) | Sales & CRM | Website code | | | [Factors.ai](https://www.runsonwhat.com/reverse/factors) | Sales & CRM | Website code | | | [Atlas](https://www.runsonwhat.com/reverse/atlas-support) | Support & Docs | Subprocessor list | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Subprocessor list, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records, Subprocessor list | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records, Subprocessor list | | | [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Subprocessor list | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | ## FAQ ### What tools does Outthink use? As of October 2026, runsonwhat has found 33 tools at Outthink (outthink.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 27, 2026. ### What cloud does Outthink run on? Outthink uses Amazon Web Services for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on outthink.io's subprocessor list and code on outthink.io. Amazon Web Services is used by 145,989 companies runsonwhat tracks. ### What CRM does Outthink use? Outthink uses HubSpot for its CRM, alongside ZoomInfo, Apollo.io and Factors.ai, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot on outthink.io's subprocessor list and code on outthink.io. HubSpot is used by 94,773 companies runsonwhat tracks. ### What email provider does Outthink use? Outthink uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 715,173 companies runsonwhat tracks. ### What does Outthink use for customer support? Outthink uses Atlas for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Atlas through Atlas on outthink.io's subprocessor list. Atlas is used by 45 companies runsonwhat tracks. ### What payment provider does Outthink use? Outthink uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through Stripe on outthink.io's subprocessor list. Stripe is used by 29,244 companies runsonwhat tracks. ### How long has Outthink used Microsoft Azure? Outthink has used Microsoft Azure since at least September 2023, going by the first public certificate of the outthink.io subdomain that points at Microsoft Azure. Other long-running tools at Outthink include Amazon CloudFront (since October 2023) and Site24x7 (since July 2024). ### Does Outthink use Cloudflare? Yes. runsonwhat found Cloudflare at Outthink through Cloudflare code on outthink.io. Cloudflare is a CDN & Edge tool used by 708,082 companies runsonwhat tracks. ### Does Outthink use AI tools? Yes. runsonwhat has found Anthropic and ElevenLabs at Outthink; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Outthink may use more AI tools than these. ### Which companies have a tech stack similar to Outthink's? The companies with the stacks most like Outthink's are SwiftGuard AI, INBENTA HOLDINGS, VideoSDK and Rchilli, according to runsonwhat (October 2026). Each shares 6 to 19 tools with Outthink, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Outthink uses? runsonwhat reads public records only. Of the 33 tools at Outthink, 14 were found through code on outthink.io, 7 through DNS records, 7 through its own subprocessor list, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and outthink.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/outthink.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.