# What does Source use? Source (source.ag) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-10-07). - Industry: Software - Size: 51–200 employees - Based in: Amsterdam, Netherlands - Founded: 2020 - LinkedIn: https://www.linkedin.com/company/source-ag ## 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 | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | DNS verification records, Email records, Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Custom domain | | ## 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 | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Recruitee](https://www.runsonwhat.com/reverse/recruitee) | People & HR | Custom domain | | ## Hiring at Source 5 open roles on its public job board: Data & AI 2, Sales 2, Other 1. ## FAQ ### What tools does Source use? As of October 2026, runsonwhat has found 20 tools at Source (source.ag) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Vercel. Application: Tailwind CSS and Anthropic. Data & Observability: Google Tag Manager. Go-to-market: HubSpot, HubSpot CMS and Ahrefs. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026. ### What cloud does Source run on? Source uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on source.ag. Amazon Web Services is used by 144,085 companies runsonwhat tracks. ### What CRM does Source use? Source uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on source.ag. HubSpot is used by 90,351 companies runsonwhat tracks. ### What email provider does Source use? Source uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,601 companies runsonwhat tracks. ### What does Source use for customer support? Source uses Intercom for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Intercom through a subdomain that points at Intercom. Intercom is used by 8,049 companies runsonwhat tracks. ### What analytics tools does Source use? Source uses Google Tag Manager for analytics, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on source.ag. Google Tag Manager is used by 476,959 companies runsonwhat tracks. ### Does Source use SendGrid? Yes. runsonwhat found SendGrid at Source through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 189,019 companies runsonwhat tracks. ### Does Source use AI tools? Yes. runsonwhat has found Anthropic at Source; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Source may use more AI tools than these. ### Is Source hiring? Yes. As of October 2026, Source has 5 open roles on its public Recruitee job board, most in data & AI (2) and sales (2). 3 were posted in the last 30 days. ### Which companies have a tech stack similar to Source's? The companies with the stacks most like Source's are Intento, Circula, Teamleader and Forcyd, according to runsonwhat (October 2026). Each shares 6 to 13 tools with Source, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Source uses? runsonwhat reads public records only. Of the 20 tools at Source, 8 were found through DNS records, 4 through code on source.ag, 4 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and source.ag about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/source.ag (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.