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Ranked on the record · 37 apps

Best Network Diagnostic Software 2026

Network diagnostic software helps you inspect network paths, DNS behavior, packet loss, bandwidth and targets through desktop, web, API or self-hosted deployments. This guide helps buyers compare free access, paid entry points, supported platforms and diagnostic functions.

The page has no published ranking basis, so entries appear without a stated ranking order. Use the listed fields to compare deployment choices, path visualization, DNS diagnostics, packet-loss analysis, command-line access, target limits and platform support.

01

nPerf tests internet connection performance on Android, iOS, desktop, web, and other platforms.

Free plan AndroidiPhone & iPadWebWindowsMacLinux+2
Record6.3 Visit site The record
02

PingPlotter

PingPlotter tracks connection performance and shows trouble spots on Windows, macOS, and the web.

iPhone & iPadWebWindows+3
Record6.2 Visit
03

Globalping

Globalping runs network checks from probes chosen by country, city, state, ISP, or cloud region.

iPhone & iPadWebWindows+5
Record6.0 Visit
04

NetSpot

Plans, surveys, analyzes, and troubleshoots Wi‑Fi on Android, iOS, macOS, and Windows.

AndroidiPhone & iPadWindows+1
Record6.0 Visit
05

inSSIDer

Visualizes nearby Wi‑Fi networks and suggests changes on Android, macOS, and Windows.

AndroidWindowsMac
Record5.8 Visit
6
Nmap

Discovers hosts, services, versions, operating systems, and firewalls for network auditing.

WindowsMacLinux+1 $9,980 a month Record5.8 Visit
7
iperf2

Generates TCP or UDP traffic between clients and servers to measure throughput and latency.

AndroidWindowsMac+2 Free plan Record5.5 Visit
8
RIPE Atlas

Uses global probes to measure internet connectivity and reachability in real time.

WebMacLinux+2 Free plan Record5.4 Visit
9
HttpWatch

Records browser requests and responses in Chrome or Edge on Windows to analyze site performance.

WindowsBrowser extensionAPI $625 one-time Record5.0 Visit
10
WhatRoute

Provides macOS traceroute, ping, flow, bandwidth, DNS, port, and network monitoring tools.

Mac Free plan Record5.0 Visit
11
DNSViz

DNSViz shows DNSSEC trust data and DNS zone details through a web analysis service.

WebMacLinux+2 Free plan Record4.9 Visit
12
NetScanTools Pro
Windows $299 one-time Record4.9 Visit
13
Angry IP Scanner

Scans IP ranges and ports, checks ping responses, and can resolve names or MAC addresses.

WindowsMacLinux Free plan Record4.7 Visit
14
DNSViz Toolkit

DNSViz Toolkit examines DNS behavior and outputs command results as JSON, text, graphs, or HTML.

WebMacLinux+1 Free plan Record4.7 Visit
15
iperf3

Measures TCP, UDP, or SCTP bandwidth with client and server functions on Linux and macOS.

MacLinuxAPI+1 Free plan Record4.7 Visit
16
Open Visual Traceroute

Open Visual Traceroute traces computer-to-server paths on Linux, macOS and Windows with 3D or 2D maps.

WindowsMacLinux Free plan Record4.6 Visit
17
Advanced IP Scanner

Scans a local network, lists devices, opens shared folders, and supports RDP or Radmin control.

Windows Free plan Record4.5 Visit
18
HiPerConTracer

Runs parallel ICMP or UDP ping and traceroute measurements with precise Linux timing.

LinuxSelf-hosted Free plan Record4.5 Visit
19
Advanced Port Scanner

Advanced Port Scanner checks TCP and UDP ports and reports programs found on them in Windows.

Windows Free plan Record4.4 Visit
20
NETworkManager

NETworkManager manages and troubleshoots networks on Windows with scanners, monitoring and remote-access tools.

Windows Free plan Record4.4 Visit
21
PingTester

PingTester runs ping, traceroute and IP scans on Windows, with scheduled tests and email notifications.

WebWindows Free plan Record4.4 Visit
22
SystemTrayMenu

SystemTrayMenu is a Windows file and link launcher with nested menus and keyboard, mouse or touchscreen control.

Windows Free plan Record4.4 Visit
23
GPing

GPing draws a color-coded graph of ping results to a chosen host on Windows.

Windows Free plan Record4.3 Visit
24
WinMTR

WinMTR combines ping and traceroute on Windows to monitor packet loss, latency, and network routes in real time.

Windows Free plan Record4.3 Visit
25
GRC DNS Benchmark
WindowsMacLinux $9.95 one-time Record4.2 Visit

Before you choose

Compare free access and paid entry points

A free plan is available for tools such as inSSIDer, nPerf, PingPlotter, iperf2, NetSpot, RIPE Atlas, WhatRoute, Nmap, SoftPerfect Bandwidth Manager, DNSViz, Globalping and HiPerConTracer.

Paid entry points vary. nPerf lists paid access from €2 per year, PingPlotter from $6.99 per month, NetSpot from $199 and inSSIDer from $1,500. A free trial is a separate comparison field from a free plan.

Match deployment to your network

The comparison covers Windows, macOS, Linux, self-hosted, web and API deployments. Check the platform and deployment type that fit the device or service where you will run diagnostics.

Self-hosted and API options suit workflows that need hosted control or programmatic access. Desktop platforms suit direct work on a computer.

Choose the measurements you need

Compare path visualization, DNS diagnostics and packet-loss analysis when you need to see route behavior or isolate connection problems.

Command-line interface support can matter for scripted checks. Target limits help indicate how broadly a tool can monitor destinations.

Check open-source and licensing needs

Open-source entries include RIPE Atlas, DNSViz and HiPerConTracer. If you need to read or change code, check the licence for the tool you choose.

Free pricing and open-source status are separate fields, so do not treat one as proof of the other.

Questions

Which network diagnostic tools have a free plan?
The list marks a free plan for inSSIDer, nPerf, PingPlotter, iperf2, NetSpot, RIPE Atlas, WhatRoute, Nmap, SoftPerfect Bandwidth Manager, DNSViz, Globalping and HiPerConTracer.
Which tools are open source?
RIPE Atlas, DNSViz and HiPerConTracer are marked open source.
What paid starting prices are listed?
nPerf lists paid access from €2 per year, PingPlotter from $6.99 per month, NetSpot from $199 and inSSIDer from $1,500.
Which platforms does the comparison cover?
The comparison includes Windows, macOS, Linux, self-hosted, web and API deployments.
What diagnostic capabilities can I compare?
Fields include path visualization, DNS diagnostics, packet-loss analysis, command-line interface, target limit and supported platforms.

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