OneUptime — #4 Alternative to PagerDuty
Complete Apache-2.0 open-source replacement for PagerDuty, Statuspage, and Pingdom
All-in-one self-hostable SRE suite delivering on-call phone/SMS rotations, synthetic Playwright checks, public/private status pages, and OpenTelemetry APM.
License: Apache-2.0 · Pricing: Open Core · Compare all PagerDuty alternatives · Official Website