# What does 100 Open Startups use? 100 Open Startups (openstartups.net) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-10-23). - Industry: Internet - Size: 11–50 employees - Based in: Brazil - Founded: 2014 - LinkedIn: https://www.linkedin.com/company/100-open-startups ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [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 | | | [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 | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | 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 | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign) | Marketing | Website code | | ## 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, Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | ## FAQ ### What tools does 100 Open Startups use? As of October 2026, runsonwhat has found 24 tools at 100 Open Startups (openstartups.net) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 23, 2026. ### What cloud does 100 Open Startups run on? 100 Open Startups 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 openstartups.net. Amazon Web Services is used by 146,188 companies runsonwhat tracks. ### What email provider does 100 Open Startups use? 100 Open Startups uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 716,396 companies runsonwhat tracks. ### What does 100 Open Startups use for customer support? 100 Open Startups uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,422 companies runsonwhat tracks. ### What analytics tools does 100 Open Startups use? 100 Open Startups uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on openstartups.net. Google Analytics is used by 896,894 companies runsonwhat tracks. ### What is 100 Open Startups's website built with? 100 Open Startups uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on openstartups.net. WordPress is used by 603,093 companies runsonwhat tracks. ### Does 100 Open Startups use jQuery? Yes. runsonwhat found jQuery at 100 Open Startups through jQuery code on openstartups.net. jQuery is a Frontend tool used by 924,680 companies runsonwhat tracks. ### How does runsonwhat know what 100 Open Startups uses? runsonwhat reads public records only. Of the 24 tools at 100 Open Startups, 14 were found through code on openstartups.net, 7 through email records and 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openstartups.net about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/openstartups.net (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.