# What does Congruex use? Congruex (congruex.com) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Telecommunications - Size: 1,001–5,000 employees - Based in: Boulder, United States - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/congruex-llc ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, 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 | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [UptimeRobot](https://www.runsonwhat.com/reverse/uptimerobot) | Monitoring | Custom domain | | ## 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 | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Constant Contact](https://www.runsonwhat.com/reverse/constantcontact) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records | | | [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records | | | [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records | | ## Recent changes at Congruex - 2026-10-10: started using [Postman](https://www.runsonwhat.com/reverse/postman) ## FAQ ### What tools does Congruex use? As of October 2026, runsonwhat has found 25 tools at Congruex (congruex.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: UptimeRobot. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 20, 2026. ### What CRM does Congruex use? Congruex uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on congruex.com. HubSpot is used by 93,805 companies runsonwhat tracks. ### What email provider does Congruex use? Congruex uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 710,107 companies runsonwhat tracks. ### What is Congruex's website built with? Congruex uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on congruex.com. WordPress is used by 595,790 companies runsonwhat tracks. ### What marketing software does Congruex use? Congruex uses Constant Contact for marketing, according to runsonwhat (October 2026). runsonwhat found Constant Contact through email records that authorize Constant Contact. Constant Contact is used by 13,558 companies runsonwhat tracks. ### What monitoring tools does Congruex use? Congruex uses UptimeRobot for monitoring, according to runsonwhat (October 2026). runsonwhat found UptimeRobot through a subdomain that points at UptimeRobot. UptimeRobot is used by 3,045 companies runsonwhat tracks. ### Does Congruex use jQuery? Yes. runsonwhat found jQuery at Congruex through jQuery code on congruex.com. jQuery is a Frontend tool used by 914,232 companies runsonwhat tracks. ### Does Congruex use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Congruex; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Congruex may use more AI tools than these. ### Has Congruex changed tools recently? Yes. On runsonwhat's rechecks, Congruex started using Postman (latest on October 10, 2026). A change counts only between two checks of congruex.com done the same way. ### Which companies have a tech stack similar to Congruex's? The companies with the stacks most like Congruex's are TrustSignal, Infobip, Flormar and GOIKO, according to runsonwhat (October 2026). Each shares 10 to 13 tools with Congruex, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Congruex uses? runsonwhat reads public records only. Of the 25 tools at Congruex, 11 were found through code on congruex.com, 10 through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and congruex.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/congruex.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.