Top Alternatives to Datadog

NetWorx is a powerful, yet easy to use tool.

Zabbix is enterprise open source monitoring software for networks and applications.

AppBeat is reliable website monitoring service that alerts you when there is a downtime or failure. It also measures performance and provides functional tests.

Spiceworks is a professional network for the information technology (IT) industry.

Nagios known as Nagios Core, is a free and open source computer-software application that monitors systems, networks and infrastructure.

NetCrunch is a Windows Server–based network monitoring tool that boasts high performance and impressive scalability even in a single-server deployment.

Dynatrace APM tools provide user experience analysis that identifies and resolves application performance issues faster than ever before.

Logstash is an open source, server-side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it.

Pandora FMS (Pandora Flexible Monitoring System) is software for monitoring computer networks.

Fluentd is a cross platform open source data collection software.

PRTG is a network monitoring tool that helps you to ensure that your computer systems are running smoothly and that no outages occur.

Splunk is a software for searching, monitoring, and analyzing machine-generated big data.

Open Web Analytics (OWA) is open source web analytics software.

Graylog helps you can observe any established or rejected network connection, find those that are unusual to tighten rules and mitigate attacker activity.

HappyApps is an online app uptime monitoring platform.

Icinga is an open source computer system and network monitoring application.

Nagios Log Server is centralized log management, monitoring & analysis software. Quickly & easily manage, monitor and analyze log data.

CoScale delivers full stack performance monitoring, optimized for large production and container environments, and powered by anomaly detection.

Observium is a low-maintenance auto-discovering network monitoring platform supporting a wide range of device types, platforms and operating systems, etc.

New Relic is a digital intelligence platform lets developers, ops, and tech teams measure and monitor the performance of their applications and infrastructure.

Rollbar provides real-time error alerting & debugging tools for developers. Ruby, Python, PHP, Node.js, JavaScript, Android, iOS & more languages supported.

Monitis is a web performance monitoring platform.

Mindarray is a network monitoring software which includes BSM, SLA with real time monitoring & analytics.

Cacti is a network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality.

Scalyr is a server log monitoring tool.

ntop is software that probes a computer network to show network use in a way similar to what the program top does for processes.

The Dude network monitor automatically scans all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems.

Lansweeper Network Inventory is an agentless IT asset management and Network Inventory software tool for Microsoft Windows.

Monit is a free, open source process supervision tool for Unix and Linux.

PHP Server Monitor is an open source tool to monitor your servers and websites.