Metrics and monitoring

Collect, store and query time series.

Changes in this category (RSS)

Side by side

Metrics and monitoring
Tool	Stars	Licence	Terms	Self-hosted	Language	Latest	Last push
Netdata	81k	GPL-3.0	Open core	Yes	Go	v2.12.3	2026-11-12
Prometheus	68k	Apache-2.0	Open source	Yes	Go	v3.16.0	2026-11-11
Beszel	27k	MIT	Open source	Yes	Go	v0.21.1	2026-11-11
VictoriaMetrics	18k	Apache-2.0	Open source	Yes	Go	v1.156.0	2026-11-12
Telegraf	18k	MIT	Open source	Yes	Go	v1.40.3	2026-11-11
Thanos	14k	Apache-2.0	Open source	Yes	Go	v0.42.5	2026-11-04
Apache HertzBeat	7.5k	Apache-2.0	Open source	Yes	Java	v1.9.0	2026-11-11
Zabbix	6.6k	AGPL-3.0	Open source	Yes	Go Template	8.0.0	2026-11-11
Cortex	5.9k	Apache-2.0	Open source	Yes	Go	v1.21.1	2026-11-11
Grafana Mimir	5.3k	AGPL-3.0	Open source	Yes	Go	mimir-3.2.4	2026-11-12
LibreNMS	5k	Other	Open source	Yes	PHP	26.10.2	2026-11-12
M3	4.9k	Apache-2.0	Open source	Yes	Go	v1.6.0	2026-11-04
collectd	3.4k	Other	Open source	Yes	C	collectd-5.12.0	2026-10-27
Checkmk	2.6k	GPL-2.0	Open source	Yes	Python	v2.5.0p19	2026-11-11
Icinga	2.2k	GPL-3.0	Open source	Yes	C++	v2.16.6	2026-11-11
Nagios Core	2.1k	GPL-2.0	Open source	Yes	C	nagios-4.5.14	2026-10-27
Cacti	1.9k	GPL-2.0	Open source	Yes	PHP	release/1.2.31	2026-11-12
OpenNMS	1.2k	Other	Open source	Yes	Java	opennms-36.0.6-1	2026-11-12
Sensu Go	1.1k	MIT	Open source	Yes	Go	v6.15.0	2026-11-06

19 tools

The fastest path to AI-powered full stack observability, even for lean teams.

Language: Go
Licence: GPL-3.0
Stars: 81k
Latest: v2.12.3
Last push: 2026-11-12

The Prometheus monitoring system and time series database.

Language: Go
Licence: Apache-2.0
Stars: 68k
Latest: v3.16.0
Last push: 2026-11-11

Lightweight server monitoring with historical data, docker stats, and alerts.

Language: Go
Licence: MIT
Stars: 27k
Latest: v0.21.1
Last push: 2026-11-11

VictoriaMetrics

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Language: Go
Licence: Apache-2.0
Stars: 18k
Latest: v1.156.0
Last push: 2026-11-12

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

Language: Go
Licence: MIT
Stars: 18k
Latest: v1.40.3
Last push: 2026-11-11

Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

Language: Go
Licence: Apache-2.0
Stars: 14k
Latest: v0.42.5
Last push: 2026-11-04

Apache HertzBeat

An AI-powered next-generation open source real-time observability system.

Language: Java
Licence: Apache-2.0
Stars: 7.5k
Latest: v1.9.0
Last push: 2026-11-11

Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.

Language: Go Template
Licence: AGPL-3.0
Stars: 6.6k
Latest: 8.0.0
Last push: 2026-11-11

A horizontally scalable, highly available, multi-tenant, long term Prometheus.

Language: Go
Licence: Apache-2.0
Stars: 5.9k
Latest: v1.21.1
Last push: 2026-11-11

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

Language: Go
Licence: AGPL-3.0
Stars: 5.3k
Latest: mimir-3.2.4
Last push: 2026-11-12

Community-based GPL-licensed network monitoring system

Language: PHP
Licence: Other
Stars: 5k
Latest: 26.10.2
Last push: 2026-11-12

M3 monorepo - Distributed TSDB, Aggregator and Query Engine, Prometheus Sidecar, Graphite Compatible, Metrics Platform

Language: Go
Licence: Apache-2.0
Stars: 4.9k
Latest: v1.6.0
Last push: 2026-11-04

The system statistics collection daemon. Please send Pull Requests here!

Language: C
Licence: Other
Stars: 3.4k
Latest: collectd-5.12.0
Last push: 2026-10-27

Checkmk - Best-in-class infrastructure & application monitoring

Language: Python
Licence: GPL-2.0
Stars: 2.6k
Latest: v2.5.0p19
Last push: 2026-11-11

Unusual star burst

The core of our monitoring platform with a powerful configuration language and REST API.

Language: C++
Licence: GPL-3.0
Stars: 2.2k
Latest: v2.16.6
Last push: 2026-11-11

Nagios Core

Language: C
Licence: GPL-2.0
Stars: 2.1k
Latest: nagios-4.5.14
Last push: 2026-10-27

Cacti ™

Language: PHP
Licence: GPL-2.0
Stars: 1.9k
Latest: release/1.2.31
Last push: 2026-11-12

Enterprise-Grade Open-Source Network Management Platform

Language: Java
Licence: Other
Stars: 1.2k
Latest: opennms-36.0.6-1
Last push: 2026-11-12

Simple. Scalable. Multi-cloud monitoring.

Language: Go
Licence: MIT
Stars: 1.1k
Latest: v6.15.0
Last push: 2026-11-06

What these tools replace