Best Network Troubleshooting & Diagnostics Tools in 2026

ManageEngine Network Configuration Manager

Subscription Free Free Trial

88

OpManager's Network Configuration Management (NCM) Add-on automates network configuration changes, ensures compliance, and simplifies change management across over 30 different vendor devices. It provides exhaustive reports for troubleshooting netwo…

Domotz

Subscription Free Trial

86

Domotz is a network monitoring solution for IT professionals and MSPs, providing real-time visibility and management of IT infrastructures. It includes features like network configuration management, remote device access, SNMP monitoring, diagnostic…

Entuity

One Time License Free Trial

83

Entuity is network monitoring software for enterprise IT teams, offering real-time insights, network topology mapping, and a responsive interface. It offers continuous discovery, event management, flow analysis, application path monitoring, and IP a…

Noction Flow Analyzer

Subscription Free Trial

77

Noction Flow Analyzer is a traffic analysis tool for network engineers that provides insights into network traffic using NetFlow, sFlow, and NetStream, with features for DDoS detection, bandwidth control, and capacity planning. The platform helps id…

Splunk Enterprise

Subscription Free Free Trial

76

A cloud-based data analytics platform that enables businesses to process and analyze machine data in real-time. It offers visualization, indexing, KPI tracking, and monitoring.

BackBox

Subscription Free Trial

66

BackBoxis a cyber resilience platform that automates network device security, compliance, and lifecycle management. It offers advanced vulnerability intelligence and pre-built automations for seamless software updates, streamlining complex tasks, en…

Auvik

Subscription Free Trial

59

Auvik is a cloud-based network management software offering features such as real-time network mapping, more than 50 out-of-the-box alerts, centralized network documentation, and automated network compliance maintenance; additionally, Auvik provides…