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Metrics Monitoring Systems

Platforms for collecting, storing, and visualizing time-series data and metrics.

93 projects

278,822 contributors

$9.1B

Kubernetes

Kubernetes (K8s) is an open-source system for automating deployment, scaling, and management of containerized applications.

Contributors

116,581

Organizations

21,989

Software value

$5.8B

Grafana

Grafana is an open-source analytics and interactive visualization web application that provides charts, graphs, and alerts for the web when connected to supported data sources. It allows users to create, explore, and share dashboards while supporting multiple data sources including time series databases.

Contributors

31,283

Organizations

6,202

Software value

$179M

Prometheus

Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. It is now a standalone open source project and maintained independently of any company.

Contributors

20,896

Organizations

5,312

Software value

$38M

Telegraf

Telegraf is an open-source server agent for collecting, processing, aggregating, and writing metrics and data. It supports gathering metrics from a wide variety of sources and writing them into multiple output destinations including InfluxDB, Prometheus, Kafka, and many others. The agent is plugin-driven with extensive input, processor, aggregator, and output plugins available.

Contributors

9,342

Organizations

1,908

Software value

$21M

InfluxDB

InfluxDB is an open source time series database designed to handle high write and query loads. It is optimized for storing and analyzing large amounts of time-stamped data, including metrics, events, and analytics.

Contributors

8,884

Organizations

2,252

Software value

$3.5M

Loki

Loki is a horizontally scalable, highly available log aggregation system inspired by Prometheus. It is designed to be cost-effective and easy to operate, as it does not index the contents of the logs but rather a set of labels for each log stream. Loki allows for efficient storage and querying of log data while using less resources than traditional logging systems.

Contributors

8,556

Organizations

2,426

Software value

$473M

Uptime Kuma

Uptime Kuma is an open-source uptime monitoring tool that provides real-time website monitoring, status pages, and notifications. It features a modern web interface, supports multiple monitoring methods including HTTP(S), TCP, DNS, and more, and can send alerts through various notification channels.

Contributors

7,693

Organizations

1,459

Software value

$4M

Netdata

Netdata is a distributed, real-time performance and health monitoring solution for systems, hardware, containers and applications. It provides detailed insights through interactive visualizations and automated anomaly detection, collecting thousands of metrics with zero configuration.

Contributors

5,439

Organizations

1,215

Software value

$64M

Thanos

Open source, highly available Prometheus setup with long term storage capabilities.

Contributors

4,965

Organizations

1,395

Software value

$22M

LibreNMS

LibreNMS is an open-source network monitoring system that provides automated discovery of network devices and services. It supports a wide range of network hardware and operating systems through SNMP, and offers features like alerting, reporting, and visualization of network performance metrics.

Contributors

4,867

Organizations

524

Software value

$325M

N|Solid

N|Solid is an enterprise-grade Node.js platform that provides enhanced security, performance monitoring, and troubleshooting capabilities for Node.js applications in production environments

Contributors

4,860

Organizations

935

Software value

$591M

Apache SkyWalking

Apache SkyWalking is an application performance monitoring (APM) platform designed for cloud-native architectures, including microservices, containers, and Kubernetes. It provides distributed tracing, metrics collection, service mesh telemetry analysis, and visualization capabilities for modern software systems.

Contributors

3,844

Organizations

394

Software value

$11M

Kyverno

Kyverno is a policy engine designed for Kubernetes. With Kyverno, policies are managed as Kubernetes resources and no new language is required to write policies.

Contributors

3,514

Organizations

1,038

Software value

$96M

cAdvisor

cAdvisor (Container Advisor) is an open-source tool that provides container users with resource usage and performance characteristics of their running containers. It collects, aggregates, processes, and exports information about running containers, including usage statistics, resource isolation parameters, and network statistics.

Contributors

3,224

Organizations

987

Software value

$1.4M

VictoriaMetrics

VictoriaMetrics is a fast, cost-effective, and scalable time series database and monitoring solution. It offers high-performance storage and querying of time series data, with built-in support for Prometheus compatibility, multi-tenancy, and horizontal scalability.

Contributors

2,898

Organizations

732

Software value

$67M

collectd

Collectd is a system statistics collection daemon that gathers metrics about system performance and provides mechanisms to store and monitor the values in a variety of ways. It collects metrics about CPU, memory, disk usage, network traffic, and various other system-level data points.

Contributors

2,645

Organizations

683

Software value

$5.3M

TeslaMate

TeslaMate is a self-hosted data logger and visualization tool for Tesla vehicles that tracks and records vehicle data including location, charging sessions, efficiency, battery levels, and driving statistics. It provides a Grafana dashboard for data visualization and allows users to monitor their Tesla's performance over time.

Contributors

2,637

Organizations

266

Software value

$2.2M

ntopng

Web-based Traffic and Security Network Traffic Monitoring

Contributors

2,230

Organizations

173

Software value

$25M

Grafana Mimir

Grafana Mimir is a highly scalable, long-term storage solution for Prometheus metrics that provides horizontal scalability, high availability, and multi-tenancy capabilities. It allows organizations to store and query large amounts of time series data efficiently while maintaining compatibility with Prometheus APIs.

Contributors

2,062

Organizations

587

Software value

$149M

Graphite

Graphite is an enterprise-scale monitoring tool that stores, retrieves, and visualizes time-series data. It provides a robust platform for collecting numeric time-series data such as computer system metrics, network statistics, and business metrics, featuring a flexible query language, customizable dashboards, and a scalable architecture for real-time graphing.

Contributors

1,927

Organizations

529

Software value

$3.3M

SigNoz

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

Contributors

1,889

Organizations

445

Software value

$30M

Icinga 2

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

Contributors

1,856

Organizations

347

Software value

$5.2M

Cortex

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

Contributors

1,383

Organizations

433

Software value

$98M

Dropwizard Metrics

Dropwizard Metrics is a Java library that provides a toolkit for measuring and reporting the performance and behavior of application components through various metrics like timers, gauges, counters and histograms. It enables monitoring and instrumentation of JVM applications.

Contributors

1,354

Organizations

394

Software value

$1.5M

Speedtest Tracker

A self-hosted internet speed test tracker that allows users to monitor and log their network performance over time using Ookla's Speedtest CLI, with features for data visualization and historical analysis.

Contributors

1,336

Organizations

147

Software value

$1.3M

Nightingale

Nightingale is a cloud-native monitoring system and observability platform that provides real-time metrics collection, visualization, and alerting capabilities. It offers features like time-series data storage, customizable dashboards, and multi-dimensional monitoring for modern distributed systems.

Contributors

1,268

Organizations

102

Software value

$9.9M

Kiali

Kiali is an observability and management console for service mesh environments, particularly focused on Istio. It provides visualization, monitoring, and configuration capabilities for microservices deployments, helping users understand service mesh topology, traffic flow, and health metrics.

Contributors

1,165

Organizations

375

Software value

$13M

Grafana Operator

The Grafana Operator is a Kubernetes operator that automates the deployment and management of Grafana instances, dashboards, and data sources in Kubernetes clusters. It enables declarative configuration and lifecycle management of Grafana resources using custom resource definitions (CRDs).

Contributors

1,098

Organizations

363

Software value

$3.6M

Munin

Munin is a networked resource monitoring tool that helps analyze computer performance and usage trends. It uses a master/node architecture to gather data from multiple systems, creates RRD files for storage, and generates graphs to visualize system metrics like CPU, memory, network usage, processes and more.

Contributors

1,005

Organizations

235

Software value

$2.8M

Grafana Pyroscope

Pyroscope is a continuous profiling platform that helps developers find and fix performance issues in their applications. It provides real-time CPU, memory, and lock profiling with minimal overhead, allowing teams to monitor, analyze, and debug application performance across their entire infrastructure.

Contributors

927

Organizations

287

Software value

$17M

Community Zabbix Ansible Collection

A community-maintained Ansible collection that provides modules and roles for managing Zabbix monitoring systems, including configuration, host management, template deployment, and automation of Zabbix operations through Ansible playbooks

Contributors

877

Organizations

131

Software value

$1.6M

Redis Exporter

Redis Exporter is a Prometheus exporter for Redis metrics. It exports Redis server metrics for monitoring and observability purposes, allowing integration with Prometheus monitoring systems.

Contributors

841

Organizations

265

Software value

$464K

Checkmk

Checkmk is an open source IT infrastructure monitoring solution that provides comprehensive monitoring of servers, applications, cloud services, containers, storage, databases and networks. It combines the flexibility of custom plugins with enterprise scalability and a modern web interface.

Contributors

822

Organizations

92

Software value

$81M

Nagios Core

Nagios Core

Contributors

772

Organizations

96

Software value

$6M

Apache Ambari

Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.

Contributors

714

Organizations

79

Software value

$93M

Emoncms

Web-app for processing, logging and visualising energy, temperature and other environmental data

Contributors

646

Organizations

100

Software value

$2.5M

UnPoller

UnPoller is a metrics collection and reporting tool that pulls data from UniFi network controllers and exports it to various monitoring systems like InfluxDB and Prometheus. It enables network administrators to monitor UniFi devices and traffic statistics in real-time.

Contributors

599

Organizations

117

Software value

$507K

Pixie

A simple and robust monitoring and live-debug platform for distributed environments, designed for developers.

Contributors

586

Organizations

167

Software value

$38M

RRDtool

RRDtool is a high performance data logging and graphing system for time series data. It stores data in a very compact way that will not expand over time, and allows for fast generation of graphs to visualize the data.

Contributors

585

Organizations

138

Software value

$1.6M

Alerta

Alerta is an open-source monitoring and alerting system that consolidates alerts from multiple sources into a single dashboard. It provides real-time monitoring of applications, servers and network devices with a focus on quick visualization and response to problems.

Contributors

582

Organizations

138

Software value

$826K

Centreon

Centreon is an open-source IT infrastructure monitoring and observability platform that provides real-time monitoring of applications, networks, and systems. It offers features like performance tracking, alerting, reporting, and visualization through a web interface to help organizations ensure service reliability and optimize IT operations.

Contributors

578

Organizations

27

Software value

$47M

Open MCT

A web based mission control framework.

Contributors

572

Organizations

143

Software value

$5.1M

Performance Co-Pilot

Performance Co-Pilot

Contributors

568

Organizations

93

Software value

$86M

Riemann

Riemann is a distributed systems monitoring tool that aggregates events from servers and applications with a powerful stream processing language. It helps monitor distributed systems by collecting metrics and events, applying stream processing rules, and routing alerts.

Contributors

564

Organizations

217

Software value

$681K

OpenNMS

OpenNMS is an enterprise-grade network monitoring and management platform that helps organizations detect, analyze and respond to network issues. It provides features for fault and performance management, service assurance, traffic analysis, and automated discovery of network elements.

Contributors

531

Organizations

36

Software value

$236M

pmacct

pmacct is a network monitoring and traffic accounting tool suite that collects, aggregates, and analyzes network traffic data. It provides capabilities for NetFlow/IPFIX collection, BGP monitoring, packet capture, and real-time network analytics.

Contributors

512

Organizations

88

Software value

$4.4M

PgHero

PgHero is a performance monitoring and management dashboard for PostgreSQL databases. It helps developers and database administrators analyze query performance, identify slow queries, track connection usage, detect database bloat, and manage other PostgreSQL maintenance tasks through a web interface.

Contributors

473

Organizations

171

Software value

$1.4M

GreptimeDB

An open-source, cloud-native, unified time series database for metrics, logs and events, supporting SQL/PromQL/Streaming. Available on GreptimeCloud.

Contributors

471

Organizations

110

Software value

$21M

nfdump

nfdump is a network flow data collection and processing toolset that captures, stores, and analyzes NetFlow, IPFIX, and sFlow data from network devices. It provides command-line tools for processing and analyzing network traffic data, generating statistics, and creating detailed reports about network usage patterns.

Contributors

453

Organizations

75

Software value

$2.7M

OneUptime

OneUptime is the complete open-source observability platform.

Contributors

446

Organizations

97

Software value

$23M

Percona Monitoring and Management

Percona Monitoring and Management (PMM) is an open-source platform for monitoring and managing the performance of MySQL, MongoDB, and PostgreSQL database environments. It provides comprehensive database monitoring, query analytics, metrics visualization, and system performance insights through a centralized web interface.

Contributors

411

Organizations

83

Software value

$27M

sysstat

Sysstat is a collection of performance monitoring tools for Linux systems that collects, reports and saves system activity information. It includes utilities like sar, iostat, mpstat and pidstat for monitoring CPU, memory, network, I/O and other system resources.

Contributors

408

Organizations

97

Software value

$2.2M

fb303

fb303 is a core Thrift service implementation that provides a common set of functionality and statistical data for Facebook services, including stats, options, and version information through a standardized interface

Contributors

394

Organizations

19

Software value

$750K

NagVis

NagVis is an open-source visualization add-on for Nagios and other monitoring systems that creates graphical representations of infrastructure status data. It allows users to create maps and diagrams showing the current state of their monitored network objects using various visualization methods.

Contributors

368

Organizations

33

Software value

$1.9M

Altinity ClickHouse Grafana Datasource Plugin

Altinity Grafana datasource plugin for ClickHouse®

Contributors

360

Organizations

86

Software value

$2M

Kuberhealthy

Kuberhealthy is an operator for running synthetic checks. By creating a custom resource (a khcheck) in your cluster, you can easily enable various synthetic test containers.

Contributors

344

Organizations

117

Software value

$3.7M

Phoebus

Phoebus is a modern control system studio application framework and collection of tools for operating large scientific installations and particle accelerators. It provides a rich set of user interface components and utilities for monitoring and controlling distributed control systems, with features like alarm handling, data visualization, and process variable management.

Contributors

342

Organizations

39

Software value

$21M

Zabbix

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

Contributors

317

Organizations

41

Software value

$144M

.NET Monitor

.NET Monitor is a diagnostic tool that enables monitoring and collecting runtime information from .NET applications. It provides real-time access to metrics, logs, and diagnostic data to help troubleshoot performance issues and monitor application health.

Contributors

315

Organizations

50

Software value

$4.9M

Parca

Parca is a continuous profiling tool for observing CPU and memory usage in applications. It provides always-on profiling capabilities to help developers understand performance bottlenecks and resource utilization in production environments.

Contributors

268

Organizations

132

Software value

$14M

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