What does Stealth Startup use?

As of October 2026, runsonwhat has found 33 tools at Stealth Startup (harmonic.ai) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Google Workspace, SendGrid and Resend. Last checked October 26, 2026.

Stealth Startup uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on harmonic.ai. Amazon Web Services is used by 146,159 companies runsonwhat tracks.

The sales tools runsonwhat has found at Stealth Startup are RB2B, Salesloft, Unify and Koala (October 2026); no CRM shows up in Stealth Startup's public records. runsonwhat found RB2B through RB2B code on harmonic.ai.

Stealth Startup uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on harmonic.ai. Google Workspace is used by 406,548 companies runsonwhat tracks.

Stealth Startup uses Google Analytics for analytics, alongside Google Tag Manager and Contentsquare, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on harmonic.ai. Google Analytics is used by 894,444 companies runsonwhat tracks.

Stealth Startup uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on harmonic.ai. Webflow is used by 35,323 companies runsonwhat tracks.

Stealth Startup has used Better Stack since at least June 2022, going by the first public certificate of the harmonic.ai subdomain that points at Better Stack. Other long-running tools at Stealth Startup include WorkOS (since June 2024).

Yes. runsonwhat found jQuery at Stealth Startup through jQuery code on harmonic.ai. jQuery is a Frontend tool used by 923,389 companies runsonwhat tracks.

Yes. On runsonwhat's rechecks, Stealth Startup started using Vercel (latest on October 26, 2026). A change counts only between two checks of harmonic.ai done the same way.

The companies with the stacks most like Stealth Startup's are Harmonic, Thera, Hypercomply and Dirac, according to runsonwhat (October 2026). Each shares 13 to 21 tools with Stealth Startup, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 33 tools at Stealth Startup, 20 were found through code on harmonic.ai, 4 through DNS records, 4 through email records, 4 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 harmonic.ai about monthly.