# What does QRStuff use? QRStuff (qrstuff.com) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Software - Size: 1–10 employees - Based in: London, United Kingdom - Founded: 2007 - LinkedIn: https://www.linkedin.com/company/qrstuff-com ## 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 | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Chargebee](https://www.runsonwhat.com/reverse/chargebee) | Payments & Billing | Email records | | ## 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 | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | 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 | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Calendly](https://www.runsonwhat.com/reverse/calendly) | 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, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | ## FAQ ### What tools does QRStuff use? As of October 2026, runsonwhat has found 27 tools at QRStuff (qrstuff.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 20, 2026. ### What cloud does QRStuff run on? QRStuff uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on qrstuff.com. Amazon Web Services is used by 146,156 companies runsonwhat tracks. ### What sales tools does QRStuff use? The sales tools runsonwhat has found at QRStuff are Calendly (October 2026); no CRM shows up in QRStuff's public records. runsonwhat found Calendly through Calendly code on qrstuff.com. Calendly is used by 29,876 companies runsonwhat tracks. ### What email provider does QRStuff use? QRStuff 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. Microsoft 365 is used by 716,363 companies runsonwhat tracks. ### What does QRStuff use for customer support? QRStuff uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,364 companies runsonwhat tracks. ### What payment provider does QRStuff use? QRStuff uses Chargebee for payments and billing, according to runsonwhat (October 2026). runsonwhat found Chargebee through email records that authorize Chargebee. Chargebee is used by 526 companies runsonwhat tracks. ### Does QRStuff use jQuery? Yes. runsonwhat found jQuery at QRStuff through jQuery code on qrstuff.com. jQuery is a Frontend tool used by 922,984 companies runsonwhat tracks. ### Does QRStuff use AI tools? Yes. runsonwhat has found OpenAI at QRStuff; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so QRStuff may use more AI tools than these. ### Which companies have a tech stack similar to QRStuff's? The companies with the stacks most like QRStuff's are Autoaddress, Assembly Software, Willow and MetaLocator, according to runsonwhat (October 2026). Each shares 11 to 21 tools with QRStuff, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what QRStuff uses? runsonwhat reads public records only. Of the 27 tools at QRStuff, 16 were found through code on qrstuff.com, 5 through DNS records, 5 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 qrstuff.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/qrstuff.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.