IncidentRelay is an on-call shifter and schedule, incident routing and escalation service for delivering alerts to the right teams through schedules, routes, channels, acknowledgements, and notifications.

Self-hosted weekly on-call rotation — writes the on-duty schedule to MySQL/MariaDB so your phone system (e.g. 3CX) can route incidents to the right person. Includes an admin page for holiday swaps and an 8-language UI.

API and integration profile for Squadcast.

PagerDuty is a digital operations management platform that helps teams detect problems and resolve incidents with automated alerting, on-call management, and incident response workflows.