# What does Zelcore use? Zelcore (zelcore.io) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-31). - Industry: IT Services - Size: 11–50 employees - Based in: Hanover, United States - Founded: 2018 - LinkedIn: https://www.linkedin.com/company/zelcore-technologies-inc ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [GitHub Pages](https://www.runsonwhat.com/reverse/github-pages) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Branch](https://www.runsonwhat.com/reverse/branch) | Marketing | Website code | | | [GitBook](https://www.runsonwhat.com/reverse/gitbook) | Support & Docs | Custom domain | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) | Email Delivery | Custom domain | | | [Keybase](https://www.runsonwhat.com/reverse/keybase) | Security & Compliance | DNS verification records, Website code | | ## FAQ ### What tools does Zelcore use? As of November 2026, runsonwhat has found 23 tools at Zelcore (zelcore.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and GitHub Pages. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics. Go-to-market: Discord, Branch and GitBook. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked October 31, 2026. ### What cloud does Zelcore run on? Zelcore uses Amazon Web Services for hosting and cloud infrastructure, alongside GitHub Pages, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on zelcore.io. Amazon Web Services is used by 146,623 companies runsonwhat tracks. ### What email provider does Zelcore use? Zelcore uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on zelcore.io. Google Workspace is used by 410,422 companies runsonwhat tracks. ### What does Zelcore use for customer support? Zelcore uses Discord for customer support and documentation, alongside GitBook, according to runsonwhat (November 2026). runsonwhat found Discord through Discord code on zelcore.io. Discord is used by 7,029 companies runsonwhat tracks. ### What analytics tools does Zelcore use? Zelcore uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on zelcore.io. Google Analytics is used by 906,706 companies runsonwhat tracks. ### What marketing software does Zelcore use? Zelcore uses Branch for marketing, according to runsonwhat (November 2026). runsonwhat found Branch through Branch code on zelcore.io. Branch is used by 2,109 companies runsonwhat tracks. ### Does Zelcore use Cloudflare? Yes. runsonwhat found Cloudflare at Zelcore through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 723,253 companies runsonwhat tracks. ### Which companies have a tech stack similar to Zelcore's? The companies with the stacks most like Zelcore's are Coinfinity, TELSTRA, DailyPay and Math & Pencil, according to runsonwhat (November 2026). Each shares 3 to 13 tools with Zelcore, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Zelcore uses? runsonwhat reads public records only. Of the 23 tools at Zelcore, 9 were found through DNS records, 7 through code on zelcore.io, 3 through email records, 3 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and zelcore.io about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/zelcore.io (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.