Best Free Application Performance Monitoring (APM) Software

New Relic Application Performance Monitoring simplifies application performance management with a unified platform that delivers real-time insights across your entire tech stack. Designed for enterprise needs, it empowers leaders to monitor app performance, improve reliability, and enhance end-user satisfaction. With fully-integrated features like code-level visibility, AI-powered alerts and DEM, and new innovations like AI Monitoring and Transaction 360, teams can proactively identify and resolve issues before they impact users. Streamline performance tracking, consolidate tools and optimize resources, to confidently accelerate digital transformation. Upgrade to New Relic APM today and stay ahead of application challenges.

ManageEngine Site24x7 is a comprehensive observability and monitoring solution designed to help organizations effectively manage their IT environments. It offers monitoring for back-end IT infrastructure deployed on-premises, in the cloud, in containers, and on virtual machines. It ensures a superior digital experience for end users by tracking application performance and providing synthetic and real user insights. It also analyzes network performance, traffic flow, and configuration changes, troubleshoots application and server performance issues through log analysis, offers custom plugins for the entire tech stack, and evaluates real user usage. Whether you're an MSP or a business aiming to elevate performance, Site24x7 provides enhanced visibility, optimization of hybrid workloads, and proactive monitoring to preemptively identify workflow issues using AI-powered insights. Monitoring the end-user experience is done from more than 130 locations worldwide.

Grafana Labs provides an open and composable observability stack built around Grafana, the leading open source technology for dashboards and visualization. Recognized as a 2025 Gartner® Magic Quadrant™ Leader for Observability Platforms and positioned furthest to the right for Completeness of Vision, Grafana Labs supports over 25M users and 5,000+ customers—including Bloomberg, Citigroup, Dell Technologies, Salesforce, and TomTom. The LGTM Stack combines Grafana for visualization, Mimir for metrics, Loki for logs, and Tempo for traces. Grafana Cloud, the fully managed offering, accelerates time to value with turnkey solutions for Kubernetes monitoring, incident response, load testing, and more. It features Adaptive Metrics for cost-efficient data aggregation and native OpenTelemetry support. Built on open standards, Grafana empowers teams to visualize and correlate data from any source—without vendor lock-in—whether self-managed or in the cloud. Grafana Cloud scales with you, securely.

FirstWave’s NMIS is a complete network management system that provides fault, performance, and configuration management, performance graphs, and threshold alerts. Business rules allow for highly granular notification policies with many types of notification methods. NMIS consolidates multiple tools into one system, ready for Network Engineers to use. Scalable, flexible, open, and simple to implement and maintain, NMIS is the Network Management System that underpins the operations of over one hundred thousand organizations worldwide – making it one of the most widely used open-source Network Management Systems in the world today. FirstWave enables partners, including some of the world’s largest telcos and managed service providers (MSPs), to protect their customers from cyber-attacks, while rapidly growing cybersecurity services revenues at scale. FirstWave provides a comprehensive end-to-end solution for network discovery, management, and cybersecurity for its partners globally.

Sematext Cloud is an innovative, unified platform with all-in-one solution for infrastructure monitoring, application performance monitoring, log management, real user monitoring, and synthetic monitoring to provide unified, real-time observability of your entire technology stack. It's used by organizations of all sizes and across a wide range of industries, with the goal of driving collaboration between engineering and business teams, reducing the time of root-cause analysis, understanding user behaviour and tracking key business metrics. The main capabilities range from log monitoring to APM, server monitoring, database monitoring, network monitoring, uptime monitoring, website monitoring or container monitoring Find complete details on our website. Or better: start a free demo, no email address required.

IT performance monitoring is not about monitoring CPU, memory and network resources any more. eG Enterprise makes user experience the centerpiece of your IT monitoring and management strategy. With eG Enterprise, you can measure the digital experience of your users, get deep visibility into the performance the entire application delivery stack — from code to user experience, and data center to cloud — from a single pane of glass, correlate performance across domains and pinpoint the root-cause of problems proactively. Machine learning and analytics capabilities embedded in eG Enterprise enable IT teams make intelligent decisions regarding right-sizing, optimization and planning for future growth. The result: happy users, enhanced productivity, improved IT efficiency and tangible business ROI. eG Enterprise is available for installation on-premise and as a SaaS solution. Start a free trial today.

Easy to use configuration web interface for Nagios and Naemon. The monitoring solution for corporations and SMEs From large data centers to critical IT services – monitor and manage all of your servers, applications and systems at a glance! openITCOCKPIT creates transparency by providing comprehensive monitoring of your entire IT landscape. Its modular design includes features such as reporting, event correlation and clustering capabilities – all in an intuitive web interface. And by using its supplied host and service templates, experienced administrators can save time and effort which will be better placed in other areas. The supplied REST API makes it easy to connect to external systems. With openITCOCKPIT, the classical division between monitoring and configuration is removed. After exporting the configuration to Naemon/Nagios, users can immediately see the status of the monitored hosts and services in the front end and then edit them directly.

With nearly 20 years experience helping Enterprises and Managed Service Providers (MSPs) globally to better manage their SAP and cloud landscapes, we know what it takes to deliver better service, productivity, innovation and compliance to businesses who rely on SAP. Founded in Switzerland with global presence in UK, USA, Germany and Australia we are well placed to support the largest SAP customers and Managed Service Providers.

Setup and monitor a wide variety of checks within seconds that include website, ping, socket, databases, messaging queues, application servers, to custom checks. Setup alerts (SMS & Email) with ease. Unique noise reduction technology dramatically cuts unnecessary alerts by consolidating related incidents, muting systems with known issues, and minimizing false positives. Get status and real-time visibility across your Apps and Business Services. Clearly displays open incidents and issues that require your attention. Group and monitor multiple Apps and IT systems that include Databases, web servers, App servers, and messaging queues as a single App. Happy Apps delivers an overall status for the App along with status for each individual member of the group. Users also get to view dependency maps between individual IT systems and how they impact other Apps.

Epsagon enables teams to instantly visualize, understand and optimize their microservice architectures. With our unique lightweight auto-instrumentation, gaps in data and manual work associated with other APM solutions are eliminated, providing significant reductions in issue detection, root cause analysis and resolution times. Increase development velocity and reduce application downtime with Epsagon.

WhaTap-Application helps you find out everything. With WhaTap's proprietary technology, called the 'Active Stack', it provides improvement points to locate the source of problems in hidden areas that were not found in other products. Easy to install and quickly experience. Simply install WhaTap-Agent and you'll have five minutes to experience WhaTap's solution. You can see exactly where you don't see them with unique technology that's different from what you have. Integrated monitoring of multiple regions and related departments. It handles multi-lingual, multi-platform, large-scale transactions, and enables transaction tracking of isolated applications. As the number of monitoring targets grows, we have flexible and reliable scalability by only expanding our data storage space. Maintain the latest version reflecting technology trends to manage key service indicators. You can get business insight data using performance analysis data.