Alternatives to: Datadog

Additional Alerts is a web application that provides supplementary notifications and alerts to enhance existing systems.

AppSignal is a comprehensive application performance monitoring (APM) tool that helps developers build reliable and high-performing applications.

Argos Panoptès is a comprehensive monitoring tool for Framaspace, providing real-time insights into system performance and resource utilization.

Beszel is a simple, lightweight server monitoring tool with Docker stats, historical data, and alerts.

cAdvisor is a container resource usage monitor providing detailed insights into container performance and resource allocation.

Centreon is an open, scalable, and business-oriented IT and OT monitoring platform that provides complete visibility into digital performance and reduces downtime.

Checkmk is a powerful and scalable IT monitoring platform that helps you monitor your entire IT infrastructure, from cloud to on-premises, to optimize performance and reduce downtime.

dash. is a beautiful and feature-rich server dashboard for monitoring system metrics.

Elasticsearch is a powerful, scalable, and distributed search and analytics engine for diverse data types.

Facette is an Open Source web application for visualizing time series data from various sources.

Glances is an Open Source, cross-platform system monitoring tool providing real-time insights into system performance and resource utilization.

GlitchTip is a simple, Open Source platform for error tracking, application performance monitoring, and uptime monitoring.

Grafana is an Open Source platform for monitoring and observability, providing users with customizable dashboards and alerting for various data sources.

Graylog is a leading log management and SIEM platform that simplifies threat detection, investigation, and response for security and IT operations teams.

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by Clickhouse and OpenTelemetry. [TS, MIT License].

Hyperping provides comprehensive uptime monitoring and sophisticated status pages without breaking the bank.

Icinga is a powerful and flexible monitoring solution for modern IT infrastructures, providing real-time insights and automation capabilities.

JavaMelody is an Open Source monitoring tool for Java and Java EE applications providing detailed performance and error analysis.

LibreNMS is a free and Open Source network monitoring system offering comprehensive features and extensive device support.

Logdy is a real-time log viewer with a web UI, enabling easy monitoring and analysis of logs from various sources.

Logstash is an Open Source data processing pipeline that ingests, transforms, and routes data from various sources to different destinations.

Grafana Loki is a highly scalable, cost-effective log aggregation system that indexes log metadata for fast queries and reduced storage.

Monibot monitors your websites, servers, and applications, providing real-time alerts and performance insights to ensure optimal uptime and performance.

Monitorix is a free, Open Source, lightweight system monitoring tool that provides a comprehensive overview of system health and performance through easy-to-read reports and graphs.

Nagios Core Services Platform (CSP) is a powerful, easy-to-use, Open Source monitoring solution for IT infrastructure and applications.

Netdata is a high-resolution, real-time monitoring platform that provides deep insights into system performance with minimal configuration and cost.

Node Exporter is a Prometheus exporter for collecting hardware and operating system metrics.

Oh Dear is an all-in-one website monitoring tool that helps you prevent downtime, improve customer experience, and protect your brand reputation.

The OmniVista 2500 Network Management System provides comprehensive tools for managing and monitoring converged campus networks and data centers, improving efficiency and providing valuable insights.

OneUptime is an Open Source platform combining monitoring, status pages, incident management, and more to build reliable software.

Phare Uptime is a brilliant uptime monitoring solution that provides real-time alerts, collaborative incident management, and customizable status pages to ensure your website and servers are always up and running.

PHP Server Monitor is a comprehensive web application for monitoring the health and status of your websites and servers.

phpSysInfo is a customizable PHP script that displays detailed system information via a web interface.

PingPing is a simple, fast, and affordable uptime and SSL monitoring service that provides instant notifications when your website is down.

Prometheus is a powerful, Open Source monitoring and alerting system for time-series data.

Prometheus is a powerful, Open Source monitoring and alerting system for time-series data.

Quickwit is a blazing-fast, scalable search and analytics engine for cloud storage, ideal for log management and distributed tracing.

Scrutiny is a hard drive health dashboard and monitoring solution that combines S.M.A.R.T. metrics with real-world failure rates for proactive drive failure detection.

Semonto is a website and server monitoring platform that proactively alerts users to issues, providing detailed reports and ensuring optimal online performance.

Shinken Monitoring is a scalable and secure solution for comprehensive IT infrastructure monitoring.

SigNoz is an Open Source observability platform native to OpenTelemetry with logs, traces and metrics in a single application

SmokePing is a powerful and flexible network monitoring tool that provides real-time visualization of network latency and packet loss.

SNClient+ is a modern, secure, and efficient replacement for NSClient++ that supports various monitoring systems and operating systems.

syslog-ng Open Source Edition is a highly flexible and extensible log management system for collecting, processing, and routing logs from diverse sources.

Testomato is a comprehensive website monitoring tool that provides real-time alerts and detailed insights into website performance and uptime.

Updown.io offers simple and inexpensive website monitoring with various integrations and flexible pricing.

Uptimia is an all-in-one website monitoring solution that protects your website from downtime and provides comprehensive performance insights.

Vector is a high-performance, vendor-neutral observability pipeline tool for collecting, transforming, and routing logs and metrics.

VictoriaMetrics is a high-performance, Open Source monitoring and observability solution that scales efficiently while maintaining ease of use.

Zabbix is an Open Source monitoring solution for IT infrastructure and applications, offering comprehensive monitoring, robust alerting, and scalable architecture.