# What does Iron Software use? Iron Software (ironsoftware.com) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Software - Size: 11–50 employees - Based in: Chicago, United States - Founded: 2016 - LinkedIn: https://www.linkedin.com/company/ironsoftware ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain | | | [NS1](https://www.runsonwhat.com/reverse/ns1) | DNS | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS records, Website code | | | [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code | | | [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | Website code | | | [Paddle](https://www.runsonwhat.com/reverse/paddle) | Payments & Billing | DNS verification 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [VWO](https://www.runsonwhat.com/reverse/vwo) | Flags & Experiments | 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 | | | [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | 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 | Custom domain, Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | | [impact.com](https://www.runsonwhat.com/reverse/impact-com) | Marketing | Website code | | | [Sleeknote](https://www.runsonwhat.com/reverse/sleeknote) | Marketing | 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 | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [OpenSRS Hosted Email](https://www.runsonwhat.com/reverse/opensrs-email) | Workspace | Custom domain | | | [Maven Central](https://www.runsonwhat.com/reverse/maven-central) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Iron Software use? As of October 2026, runsonwhat has found 34 tools at Iron Software (ironsoftware.com) in public records. Edge & Hosting: Cloudflare, Fastly and Microsoft Azure. Application: Google Fonts, YouTube and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and WhatsApp Business. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 9, 2026. ### What cloud does Iron Software run on? Iron Software uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure. Microsoft Azure is used by 45,365 companies runsonwhat tracks. ### What CRM does Iron Software use? Iron Software uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 92,056 companies runsonwhat tracks. ### What email provider does Iron Software use? Iron Software uses Microsoft 365 for email and office software, alongside Google Workspace, Apple Business and OpenSRS Hosted Email, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,692 companies runsonwhat tracks. ### What does Iron Software use for customer support? Iron Software uses WhatsApp Business for customer support and documentation, alongside Help Scout, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on ironsoftware.com. WhatsApp Business is used by 132,803 companies runsonwhat tracks. ### What payment provider does Iron Software use? Iron Software uses Paddle for payments and billing, according to runsonwhat (October 2026). runsonwhat found Paddle through a DNS verification record for Paddle. Paddle is used by 437 companies runsonwhat tracks. ### Does Iron Software use Google Fonts? Yes. runsonwhat found Google Fonts at Iron Software through Google Fonts code on ironsoftware.com. Google Fonts is a Media & UI tool used by 790,933 companies runsonwhat tracks. ### Which companies have a tech stack similar to Iron Software's? The companies with the stacks most like Iron Software's are Compdf, Testgear, Upstage AI and Software Mansion, according to runsonwhat (October 2026). Each shares 4 to 19 tools with Iron Software, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Iron Software uses? runsonwhat reads public records only. Of the 34 tools at Iron Software, 19 were found through code on ironsoftware.com, 8 through DNS records, 4 through subdomains that point at the vendor, 2 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 ironsoftware.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ironsoftware.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.