What does Opus use?

As of October 2026, runsonwhat has found 13 tools at Opus (feelopus.com) in public records. Edge & Hosting: Amazon Web Services, Google Cloud and Vercel. Application: Google Fonts and OpenAI. Data & Observability: Google Analytics. Go-to-market: Zendesk, Klaviyo and Squarespace. Company Ops: Google Workspace and Mailgun. Last checked October 6, 2026.

Opus 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 a subdomain that points at Amazon Web Services. Amazon Web Services is used by 144,582 companies runsonwhat tracks.

Opus uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 395,445 companies runsonwhat tracks.

Opus uses Zendesk for customer support and documentation, alongside Discourse, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 40,645 companies runsonwhat tracks.

Opus uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on feelopus.com. Google Analytics is used by 846,915 companies runsonwhat tracks.

Opus uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace and DNS records. Squarespace is used by 33,190 companies runsonwhat tracks.

Yes. runsonwhat found Google Fonts at Opus through Google Fonts code on feelopus.com. Google Fonts is a Media & UI tool used by 787,647 companies runsonwhat tracks.

Yes. runsonwhat has found OpenAI at Opus; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Opus may use more AI tools than these.

The companies with the stacks most like Opus' are Particle by Digi, Cursor, Opentrons.com and Hippo Scribe, according to runsonwhat (October 2026). Each shares 5 to 7 tools with Opus, 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 13 tools at Opus, 6 were found through subdomains that point at the vendor, 4 through DNS records, 2 through code on feelopus.com and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and feelopus.com about monthly.