Topics / #alerting

Alerting projects on GitHub

Systems and libraries for raising alerts from monitoring and metrics data.

As of October 17, 2026, the most-starred Alerting projects on GitHub are netdata (81K stars), grafana (77.3K stars) and prometheus (66.6K stars). GitHub.Locker tracks 18 Alerting repositories with 474.1K stars combined. The fastest-growing on October 16 was beszel, with +43 stars in a day.

18Projects

474.1KStars in total

+218Stars in a day

Browse in the catalog →github.com/topics/alerting ↗

Hot right now

Most stars gained in a day · Oct 16

+43

beszel

henrygd/beszel · ★ 26.3K

Beszel is a lightweight server monitoring platform with a friendly web interface. It tracks historical metrics and Docker container stats, sends alerts, and is ready to use out of the box.

+34

opensre

Tracer-Cloud/opensre · ★ 12K

An open-source framework for building AI SRE agents that resolve production incidents on your own infrastructure — and a training and evaluation environment for those agents.

+23

prometheus

prometheus/prometheus · ★ 66.6K

Prometheus is a systems and service monitoring tool: it scrapes metrics from configured targets at set intervals, evaluates rule expressions over that data, displays results, and fires alerts when conditions are met.

+22

grafana

grafana/grafana · ★ 77.3K

Grafana is an open-source platform for monitoring and observability: it lets you query, visualize, alert on, and explore metrics, logs, and traces from many data sources in one place.

The all-time top

18 projects · by stars

#1 · netdata/netdata
netdata
Netdata is an open-source, real-time infrastructure monitoring platform that collects per-second metrics, visualizes them, and detects anomalies with machine learning.
81K
#2 · grafana/grafana
grafana
Grafana is an open-source platform for monitoring and observability: it lets you query, visualize, alert on, and explore metrics, logs, and traces from many data sources in one place.
77.3K
#3 · prometheus/prometheus
prometheus
Prometheus is a systems and service monitoring tool: it scrapes metrics from configured targets at set intervals, evaluates rule expressions over that data, displays results, and fires alerts when conditions are met.
66.6K

4
quivr
39.6KThe-Vibe-Company/quivr · Go
Quivr is an open-source engine that turns your files and content streams into search and monitoring — a 'second brain' you can query, built around an opinionated RAG powered by generative AI.
5
signoz
32.4KSigNoz/signoz · TypeScript
SigNoz is an open-source observability platform built on OpenTelemetry: logs, metrics, traces, alerts, and dashboards in one tool for debugging production apps and monitoring AI agents.
6
beszel
26.3Khenrygd/beszel · Go
Beszel is a lightweight server monitoring platform with a friendly web interface. It tracks historical metrics and Docker container stats, sends alerts, and is ready to use out of the box.
7
thingsboard
22.6Kthingsboard/thingsboard · Java
ThingsBoard is an open-source IoT platform for device management, data collection, processing, and visualization: connect devices, store their telemetry, and build dashboards on top.
8
openobserve
22.4Kopenobserve/openobserve · TypeScript
OpenObserve is an open-source, cloud-native observability platform for logs, metrics, traces, frontend monitoring (RUM), session replay and AI/LLM observability — a cost-effective alternative to Datadog, Splunk and Elasticsearch.
9
sampler
14.8Ksqshq/sampler · Go
Sampler is a terminal tool that repeatedly runs shell commands and turns their output into live visualizations like charts and gauges, with optional alerts, all configured through a single YAML file.
10
awesome-sre
13.7Kdastergon/awesome-sre
A curated list of Site Reliability Engineering (SRE) and Production Engineering resources — a hand-picked collection of articles, books, talks, podcasts and tools, maintained as a single GitHub README.
11
nightingale
13.4Kccfos/nightingale · Go
Nightingale is an open-source monitoring and alerting platform that focuses on generating, processing and distributing alarms, connecting to existing metrics/log data sources rather than collecting data itself.
12
keep
12.4Kkeephq/keep · Python
Keep is an open-source AIOps and alert management platform: a single pane of glass for alerts and incidents, with deduplication, enrichment, filtering, correlation, workflows and dashboards built in.
13
gatus
12.3KTwiN/gatus · Go
Gatus is an open-source, developer-oriented status page and health dashboard: it actively probes your services over HTTP, TCP, ICMP or DNS, shows the results on a web dashboard, and can alert you when checks fail.
14
opensre
12KTracer-Cloud/opensre · Python
An open-source framework for building AI SRE agents that resolve production incidents on your own infrastructure — and a training and evaluation environment for those agents.
15
healthchecks
10.4Khealthchecks/healthchecks · Python
Healthchecks is an open-source cron job monitoring service: your cron jobs and scheduled tasks ping it over HTTP or email, and if an expected ping does not arrive on time, it sends out alerts.
16
nezha
10.4Knezhahq/nezha · Go
Nezha Monitoring is a self-hosted, lightweight tool for monitoring your servers and websites and handling O&M from one dashboard: status checks, alerts, scheduled tasks and a web terminal.
17
xyops
6.3Kpixlcore/xyops · JavaScript
xyOps is a self-hosted platform for job scheduling, visual workflow automation, server monitoring, alerting, and incident response — the next generation of the Cronicle scheduler.
18
openchart
238longsurf-ai/openchart · TypeScript
OpenChart is an open-source trading workspace that brings AI agents into charting, technical analysis, market alerts, and research, letting you use your own Claude, Codex, or Gemini models to analyze markets.