GoAlert — #5 Alternative to PagerDuty

Name: GoAlert
Rating: 4.88 (784 reviews)

Production-hardened Apache-2.0 on-call scheduling and voice/SMS alerting built at Target

Single Go binary + Postgres incident router engineered for retail-scale reliability with rotation overrides, Twilio voice/SMS calls, and GraphQL automation.

License: Apache-2.0 · Pricing: Free & Open Source · Compare all PagerDuty alternatives · Official Website