Best Incident Response Software for Checkly

PagerDuty, Inc. (NYSE:PD) is a leader in digital operations management. In an always-on world, organizations of all sizes trust PagerDuty to help them deliver a perfect digital experience to their customers, every time. Teams use PagerDuty to identify issues and opportunities in real time and bring together the right people to fix problems faster and prevent them in the future. PagerDuty's ecosystem of over 350+ integrations, including Slack, Zoom, ServiceNow, AWS, Microsoft Teams, Salesforce, and more, enable teams to centralize their technology stack, get a holistic view of their operations, and optimize processes within their toolsets.

Signal9 is an Alert Management, On-Call, and IT service management (ITSM) platform for IT Operations, NOC, SRE, DevOps, and Platform Engineering teams. One foundation runs the full operational lifecycle, so alerts, incidents, changes, problems, requests, and on-call response share the same operational identity, memory, and understanding. Capabilities include alert management, event correlation, incident, problem, change, and request management, on-call and escalation, knowledge, automation, operational analytics, and collaboration in Microsoft Teams and Slack. AI agents assist on every record, with the evidence and reasoning shown. Instead of a CMDB nobody keeps current, Signal9 builds operational identity from real activity (the ICDB), reducing alert fatigue and surfacing patterns that monitoring tools miss. Built to learn, not to be taught. Works alongside Splunk, Datadog, Grafana, CloudWatch, New Relic, Azure Monitor, Dynatrace, ServiceNow, Jira, and more.