# What does Kalsec use? Kalsec (kalsec.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-11-10). - Based in: United States - Founded: 1958 - LinkedIn: https://www.linkedin.com/company/kalsec ## 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 CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | 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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | 2017-10 | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2017-10 | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [ClickCease](https://www.runsonwhat.com/reverse/clickcease) | Ads & Pixels | Website code | | | [Progress Sitefinity](https://www.runsonwhat.com/reverse/progress-sitefinity) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records | | | [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records | | | [Marker.io](https://www.runsonwhat.com/reverse/marker-io) | Dev Tools | Website code | | ## FAQ ### What tools does Kalsec use? As of November 2026, runsonwhat has found 26 tools at Kalsec (kalsec.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: jQuery and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Cookiebot. Last checked November 10, 2026. ### What cloud does Kalsec run on? Kalsec uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on kalsec.com. Amazon Web Services is used by 147,385 companies runsonwhat tracks. ### What CRM does Kalsec use? Kalsec uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and Kalsec has used it since at least October 2017. HubSpot is used by 97,473 companies runsonwhat tracks. ### What email provider does Kalsec use? Kalsec uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 732,774 companies runsonwhat tracks. ### What analytics tools does Kalsec use? Kalsec uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on kalsec.com. Google Analytics is used by 903,845 companies runsonwhat tracks. ### What is Kalsec's website built with? Kalsec uses HubSpot CMS for its website, alongside Progress Sitefinity, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS, and Kalsec has used it since at least October 2017. HubSpot CMS is used by 34,475 companies runsonwhat tracks. ### How long has Kalsec used HubSpot? Kalsec has used HubSpot since at least October 2017, going by the first public certificate of the kalsec.com subdomain that points at HubSpot. Other long-running tools at Kalsec include HubSpot CMS (since October 2017). ### Does Kalsec use jQuery? Yes. runsonwhat found jQuery at Kalsec through jQuery code on kalsec.com. jQuery is a Frontend tool used by 927,209 companies runsonwhat tracks. ### Which companies have a tech stack similar to Kalsec's? The companies with the stacks most like Kalsec's are Stanley Consultants, ADS Pipe, etap and Quest Apartment Hotels, according to runsonwhat (November 2026). Each shares 9 to 15 tools with Kalsec, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Kalsec uses? runsonwhat reads public records only. Of the 26 tools at Kalsec, 15 were found through code on kalsec.com, 7 through DNS records, 3 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and kalsec.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/kalsec.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.