Free and open first
Best Alert Management Software in 2026
When alerts need attention, your team needs ways to reduce duplicates, add useful context, and direct notifications to the right people. Compare alert deduplication and enrichment alongside routing and suppression rules, then weigh retention and included alert volume. Free-plan availability and paid-from pricing can help you assess the options. Grafana Cloud Application Observability, Wazuh, and PagerDuty are among the entries to compare. Consider which response workflows matter most to your team and how the listed volume and retention details fit those needs.
- 36 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
MISP
Free plan Open source APILinuxSelf-hosted+1MISP brings threat-intelligence collection, analysis, sharing controls, and automation into one platform. The software is free, while prioritized support and training are paid options.
- 2
UTMStack
Free plan Open source APILinuxMac+3UTMStack brings log management, threat response, compliance, and additional security modules together. Account for the worker-node requirement when scaling beyond 500 data sources or devices.
- 3
Wazuh
Free plan Open source APILinuxMac+3Wazuh combines security monitoring with response capabilities and integrations for a range of environments.
- 4
AlertOps
Free plan AndroidAPIiPhone+1AlertOps combines alert routing and incident workflows with a free tier and paid plans. Check user limits and retention periods against your team's needs.
- 5
Elastic Observability
by Elastic ObservabilityFree plan APILinuxMac+3Elastic Observability combines telemetry analysis, monitoring, and deployment options, with usage-based Serverless rates listed by data type.
- 6
Keep
Free plan APISelf-hostedWebKeep pairs alert organization with workflow automation and a broad set of listed integrations.
- 7
OpenNMS
Free plan APILinuxSelf-hosted+1OpenNMS covers network monitoring across local and remote environments, with Horizon and Meridian serving different release and subscription needs.
- 8
PagerDuty
Free plan AndroidAPIiPhone+5PagerDuty brings incident response, on-call coordination, integrations, and workflow automation together.
- 9
Prometheus
Free plan LinuxMacSelf-hosted+2Prometheus provides a free monitoring and alerting toolkit with flexible metric collection and querying. Its stated accuracy limitation makes it unsuitable for per-request billing workloads.
- 10
RightITnow ECM
Free plan APIiPhoneLinux+4ECM brings event correlation, topology, integrations, and incident workflows into a shared operations view. The free tier has a defined entity cap, while paid pricing depends on entity count.
- 11
HookFeed
Free plan WebHookFeed provides webhook alerts, scheduled digests, and routing to Slack or email, with a free plan and paid tiers.
- 12
SEC (Simple Event Correlator)
Free plan LinuxSelf-hostedWindowsSEC offers configurable event correlation and several ways to trigger actions, with no plan charge. Windows users should account for the disabled Unix-native functionality.
- 13
xMatters
Free plan AndroidAPIiPhone+3Choose xMatters if your DevOps, SRE, or operations team needs automated incident workflows, alert handling, and reporting across connected tools.
- 14
Zabbix
Free plan APILinuxMac+3Zabbix covers a broad range of monitoring sources and methods, with synthetic browser checks and a free plan. Subscription support and server or proxy allowances vary by tier.
- 15
Grafana Alerting
Free plan LinuxMacWeb+1 - 16
OpenObserve
Free plan WebOpenObserve brings pipeline processing, parsing, live viewing and archive export together for log work.
- 17
Saneops
Free plan Self-hostedWebChoose Saneops if your DevOps or SRE team wants alert correlation, deduplication, noise rules, and drafted RCAs, especially with self-hosted or air-gapped deployment.
- 18
Automic Continuous Delivery Automation
Free trial APILinuxSelf-hosted+1 - 19
CloudFabrix Data-centric AIOps Platform
Free trial APISelf-hostedWebChoose CloudFabrix Data-centric AIOps Platform if your team needs to connect operational data with alert correlation, incident response and predictive capacity insights.
- 20
Google Cloud Secret Manager
Free plan Web - 21
New Relic Applied Intelligence
Free plan WebApplied Intelligence provides alert-management features as part of the New Relic platform. Compare the included ingest and user allowances with the additional charges and plan terms.
- 22
Nova AI Ops
Free trial APILinuxMac+2Nova AI Ops brings observability and incident workflows together, with remediation runbooks and approval controls.
- 23
FirstWave opEvents
Paid APILinuxSelf-hosted+2opEvents combines event collection, enrichment, deduplication and policy-driven actions for operations workflows.
- 24
ScienceLogic SL1
Free trial APISelf-hostedWebSkylar One brings broad infrastructure coverage, service views, and integration options into one monitoring platform.
- 25
SolarWinds Incident Response
Free trial AndroidAPIiPhone+1SolarWinds Incident Response combines alert processing, on-call scheduling, collaboration, and automation for incident teams.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price