# What does Filtersource.com, Inc. use? Filtersource.com, Inc. (filtersource.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-11-14). - Industry: Machinery - Size: 51–200 employees - Based in: New York, United States - Founded: 1962 - LinkedIn: https://www.linkedin.com/company/filtersource ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code | | ## 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 | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | Website code | | | [Supabase](https://www.runsonwhat.com/reverse/supabase) | Backend & Database | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain | | | [Fathom](https://www.runsonwhat.com/reverse/fathom) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2017-08 | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | DNS verification records | | ## 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 | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records | | ## FAQ ### What tools does Filtersource.com use? As of November 2026, runsonwhat has found 17 tools at Filtersource.com (filtersource.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Better Stack and Fathom. Go-to-market: HubSpot, Zendesk and HubSpot CMS. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 14, 2026. ### What cloud does Filtersource.com run on? Filtersource.com uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 53,889 companies runsonwhat tracks. ### What CRM does Filtersource.com use? Filtersource.com uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 98,239 companies runsonwhat tracks. ### What email provider does Filtersource.com use? Filtersource.com uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 739,099 companies runsonwhat tracks. ### What does Filtersource.com use for customer support? Filtersource.com uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Filtersource.com has used it since at least August 2017. Zendesk is used by 43,918 companies runsonwhat tracks. ### What payment provider does Filtersource.com use? Filtersource.com uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through Stripe code on filtersource.com. Stripe is used by 31,545 companies runsonwhat tracks. ### How long has Filtersource.com used Zendesk? Filtersource.com has used Zendesk since at least August 2017, going by the first public certificate of the filtersource.com subdomain that points at Zendesk. ### Does Filtersource.com use Cloudflare? Yes. runsonwhat found Cloudflare at Filtersource.com through DNS records that point at Cloudflare and code on filtersource.com. Cloudflare is a CDN & Edge tool used by 737,777 companies runsonwhat tracks. ### Which companies have a tech stack similar to Filtersource.com's? The companies with the stacks most like Filtersource.com's are awiwi Internet, Storyline Studios, Kolon and MKTG, according to runsonwhat (November 2026). Each shares 3 to 6 tools with Filtersource.com, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Filtersource.com uses? runsonwhat reads public records only. Of the 17 tools at Filtersource.com, 6 were found through subdomains that point at the vendor, 6 through code on filtersource.com, 4 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and filtersource.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/filtersource.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.