Incident Management SaaS。PagerDuty (¥¥¥¥¥/User・Industry Default)・Opsgenie (Atlassian・廃止 2027 Q1→Jira Service Management統合)・Incident.io 1.x (UK Modern)・Rootly 2.x (Slack-Native)・FireHydrant・Pagertree・Squadcast・Better Stack Incidents・Response.io・Spike.sh・Splunk On-Call (旧VictorOps)・¥¥¥¥¥-¥¥¥¥¥/月・Schedule On-Call+Runbook・Auto-Remediation、2026年Opsgenie廃止→Jira移行。