# What does Ohpen use? Ohpen (ohpen.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-10-20). - Industry: IT Services - Size: 201–1,000 employees - Based in: Amsterdam, Netherlands - Founded: 2009 - LinkedIn: https://www.linkedin.com/company/ohpen ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Gatsby](https://www.runsonwhat.com/reverse/gatsby) | Frontend | 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 | | ## 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 | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | 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 | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records | | | [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) | Security & Compliance | Email records | | | [CookieScript](https://www.runsonwhat.com/reverse/cookie-script) | Security & Compliance | Website code | | | [Greenhouse](https://www.runsonwhat.com/reverse/greenhouse) | People & HR | Website code | | | [JetBrains](https://www.runsonwhat.com/reverse/jetbrains) | Dev Tools | DNS verification records | | ## Recent changes at Ohpen - 2026-10-20: started using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt) - 2026-10-16: stopped using [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-10-16: stopped using [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-10-16: stopped using [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) - 2026-10-16: stopped using [Cursor](https://www.runsonwhat.com/reverse/cursor) - 2026-10-16: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-16: started using [Mailgun](https://www.runsonwhat.com/reverse/mailgun) - 2026-10-16: stopped using [OpenAI](https://www.runsonwhat.com/reverse/openai) - 2026-10-16: stopped using [Anthropic](https://www.runsonwhat.com/reverse/anthropic) - 2026-10-16: started using [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) ## FAQ ### What tools does Ohpen use? As of October 2026, runsonwhat has found 24 tools at Ohpen (ohpen.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: jQuery, GSAP and React. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, SendGrid and Cookiebot. Last checked October 20, 2026. ### What cloud does Ohpen run on? Ohpen 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 ohpen.com. Amazon Web Services is used by 145,625 companies runsonwhat tracks. ### What CRM does Ohpen use? Ohpen uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on ohpen.com. HubSpot is used by 93,886 companies runsonwhat tracks. ### What email provider does Ohpen use? Ohpen uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on ohpen.com. Microsoft 365 is used by 710,129 companies runsonwhat tracks. ### What analytics tools does Ohpen use? Ohpen uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ohpen.com. Google Analytics is used by 878,780 companies runsonwhat tracks. ### What is Ohpen's website built with? Ohpen uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on ohpen.com. WordPress is used by 596,448 companies runsonwhat tracks. ### Does Ohpen use jQuery? Yes. runsonwhat found jQuery at Ohpen through jQuery code on ohpen.com. jQuery is a Frontend tool used by 914,913 companies runsonwhat tracks. ### Has Ohpen changed tools recently? Yes. On runsonwhat's rechecks, Ohpen started using llms.txt, Mailgun and Red Sift OnDMARC (latest on October 20, 2026) and stopped using Apple Business, Atlassian and Bitwarden (latest on October 16, 2026). A change counts only between two checks of ohpen.com done the same way. ### Which companies have a tech stack similar to Ohpen's? The companies with the stacks most like Ohpen's are Softiq, tet.lv, Xech and Datadobi, according to runsonwhat (October 2026). Each shares 2 to 12 tools with Ohpen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Ohpen uses? runsonwhat reads public records only. Of the 24 tools at Ohpen, 15 were found through code on ohpen.com, 6 through email records, 2 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ohpen.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ohpen.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.