Best Self-hosted Alerting Systems

A curated collection of the best self-hosted alerting Systems notify teams of anomalies, threshold breaches, or infrastructure failures via email, SMS, chat, or incident tools. They integrate with monitoring data sources and support escalation policies, deduplication, and on-call scheduling.

Uptime Kuma

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Alternative to:

BetterStack

UptimeRobot

Opsgenie

Instatus

A user-friendly, open-source uptime monitoring solution for tracking website and service availability

Stars
70,156
Forks
6,168
Last commit
3 days ago

Grafana

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Alternative to:

New Relic

Splunk

Tableau

Looker

Power BI

Grafana is a multi-platform open source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web.

Stars
68,235
Forks
12,662
Last commit
17 hours ago

NetData

Netdata offers high-resolution, real-time monitoring for systems, hardware, containers, and applications with zero configuration needed.

Alternative to:

New Relic

DataDog

Netdata offers high-resolution, real-time monitoring for systems, hardware, containers, and applications with zero configuration needed.

Stars
74,667
Forks
6,062
Last commit
1 day ago

Novu

Novu provides a unified API for sending notifications across multiple channels, with powerful workflows and integrations.

Alternative to:

Customer.io

Knock

Novu provides a unified API for sending notifications across multiple channels, with powerful workflows and integrations.

Stars
37,016
Forks
4,026
Last commit
19 hours ago

Ntfy

A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.

Alternative to:

LogSnag

A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.

Stars
23,210
Forks
914
Last commit
2 days ago

Signoz

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Alternative to:

New Relic

DataDog

Splunk

BugHerd

Bugsnag

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Stars
22,134
Forks
1,563
Last commit
9 hours ago

Cachet

Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking

Alternative to:

BetterStack

UptimeRobot

Instatus

incident.io

Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking

Stars
14,467
Forks
1,589
Last commit
11 days ago

Keep

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Alternative to:

BetterStack

UptimeRobot

Opsgenie

Instatus

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Stars
10,192
Forks
979
Last commit
2 days ago

HyperDX

Open source platform combining session replays, logs, traces, metrics, and errors for comprehensive production issue resolution

Alternative to:

New Relic

DataDog

Splunk

Tableau

Open source platform combining session replays, logs, traces, metrics, and errors for comprehensive production issue resolution

Stars
7,905
Forks
257
Last commit
1 day ago

OpenStatus

Open-source uptime monitoring platform for seamless service management, real-time alerts, and comprehensive status pages

Alternative to:

BetterStack

DataDog

UptimeRobot

Opsgenie

Open-source uptime monitoring platform for seamless service management, real-time alerts, and comprehensive status pages

Stars
7,189
Forks
471
Last commit
2 days ago

Highlight

Comprehensive monitoring solution offering session replay, error tracking, logging, tracing, and metrics for web applications

Alternative to:

BetterStack

New Relic

DataDog

BugHerd

Comprehensive monitoring solution offering session replay, error tracking, logging, tracing, and metrics for web applications

Stars
8,297
Forks
424
Last commit
2 days ago

Gatus

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Alternative to:

BetterStack

UptimeRobot

Opsgenie

Instatus

A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure

Stars
7,484
Forks
512
Last commit
5 hours ago

Coroot

Coroot simplifies system monitoring by providing metrics, logs, traces, and profiling with zero instrumentation, leveraging eBPF technology.

Alternative to:

New Relic

Splunk

Coroot simplifies system monitoring by providing metrics, logs, traces, and profiling with zero instrumentation, leveraging eBPF technology.

Stars
6,493
Forks
283
Last commit
2 days ago

OneUptime

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Alternative to:

BetterStack

DataDog

UptimeRobot

Opsgenie

All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Stars
5,785
Forks
271
Last commit
2 days ago

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Best Self-hosted Alerting Systems

A curated collection of the best self-hosted alerting Systems notify teams of anomalies, threshold breaches, or infrastructure failures via email, SMS, chat, or incident tools. They integrate with monitoring data sources and support escalation policies, deduplication, and on-call scheduling.

Uptime Kuma

Grafana

NetData

Novu

Ntfy

Signoz

Cachet

Keep

HyperDX

OpenStatus

Highlight

Gatus

Coroot

OneUptime

Command Menu

Uptime Kuma

Grafana

NetData

Novu

Ntfy

Signoz

Cachet

Keep

HyperDX

OpenStatus

Highlight

Gatus

Coroot

OneUptime