What tech do popular apps use?
For each app below we detect its stack and grade its public security headers, live, from the site's own responses. It is a hygiene indicator, not a security audit.
Docs & knowledge workspaceNotionnotion.soIssue tracking & project managementLinearlinear.appCollaborative interface designFigmafigma.comFrontend cloud & hostingVercelvercel.comBackend-as-a-service (Postgres)Supabasesupabase.comScheduling & bookingCal.comcal.comWebsite builder & designFramerframer.comAsync screen recordingLoomloom.comForms & surveysTypeformtypeform.comInternal tools builderRetoolretool.com
Grades reflect only publicly observable HTTP response headers, measured automatically. They are one signal of good practice, not a full audit, and say nothing about a company's internal systems or data handling.