The Best Network Diagnostic Software in 2026
We researched network diagnostic software from official websites, including pricing pages, plan tables, and product documentation. Products are ranked on their core diagnostic job, value for money, and verified features for investigating connectivity, routing, latency, DNS, packet loss, and path problems.
Our top picks
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Top ranked
Globalping#1 of 379.4/10A broad, open-source toolkit for diagnosing network behavior across global locations.
Free plan
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Runner-up
RIPE Atlas#2 of 379.2/10A free platform for distributed measurements, path analysis, and public Internet reachability data.
-
Top-ranked free plan
PingPlotter#3 of 379.0/10A focused tool for tracking latency, packet loss, jitter, and network paths.
Free plan · 14-day trial
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 37 tools, best first
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Best forGlobal, automated network diagnostics
A broad, open-source toolkit for diagnosing network behavior across global locations.
- Packet-loss analysis
- DNS diagnostics
- Command-line interface
9.4/10★★★★★Visit Globalping -
Best forDistributed measurement and path analysis
A free platform for distributed measurements, path analysis, and public Internet reachability data.
- Path visualization
- Packet-loss analysis
- DNS diagnostics
9.2/10★★★★★Visit RIPE Atlas -
Best forContinuous path and connection monitoring
A focused tool for tracking latency, packet loss, jitter, and network paths.
- Path visualization
Free plan · 14-day trial Our PingPlotter verdict → Visit PingPlotterFor vendors Sponsor this spot · #3 · $79/mo →9.0/10★★★★☆Visit PingPlotter -
Best forFree network discovery and security diagnostics
A mature, open-source toolkit for discovering hosts, services, paths, and network behavior.
- Path visualization
- Packet-loss analysis
- DNS diagnostics
8.9/10★★★★☆Visit Nmap -
Best forFree Windows network troubleshooting
A free Windows desktop toolkit covering scanning, monitoring, DNS, Wi-Fi, and discovery.
- Path visualization
- Packet-loss analysis
- DNS diagnostics
8.7/10★★★★☆Visit NETworkManager -
Best forCross-platform network inventory
A broad network inventory toolkit for administrators who need scanning, monitoring and automation.
- Path visualization
- Packet-loss analysis
- Command-line interface
8.6/10★★★★☆Visit SoftPerfect -
Best forComprehensive professional Windows diagnostics
A broad Windows diagnostic suite for professionals who need deep network visibility.
- Path visualization
- Packet-loss analysis
- DNS diagnostics
8.4/10★★★★☆Try NetScanTools Pro -
Best forVisual Windows route investigations
A Windows-focused diagnostic suite for mapping, comparing, and investigating network paths.
- Path visualization
- Packet-loss analysis
- DNS diagnostics
8.3/10★★★★☆Visit Visualware -
Best forFree Windows traceroute monitoring
A free Windows command-line tracer for continuous path, latency, and packet-loss analysis.
- Packet-loss analysis
- DNS diagnostics
- Command-line interface
8.2/10★★★★☆Visit SolarWinds -
Best forCross-platform throughput testing
A free, open-source CLI for detailed cross-platform network performance testing.
- Packet-loss analysis
- Command-line interface
8.1/10★★★★☆Visit iperf2 -
Best forVisual DNSSEC and delegation analysis
A focused open-source toolkit for tracing DNS behavior, errors, delegations, and DNSSEC chains.
- Path visualization
- DNS diagnostics
- Command-line interface
8.0/10★★★★☆Visit DNSViz -
Best forDNSSEC diagnostics and pre-deployment testing
Open-source DNS and DNSSEC diagnostics with CLI, graphs, JSON, Docker, and web access.
- Path visualization
- DNS diagnostics
- Command-line interface
7.9/10★★★★☆Visit DNSViz -
Best forDNS resolver performance benchmarking
A focused DNS benchmarking utility for comparing resolver performance from your network.
- Packet-loss analysis
- DNS diagnostics
- Command-line interface
7.7/10★★★★☆Visit GRC -
Best forCross-platform active network performance tests
A focused open-source toolkit for active network performance testing.
- Packet-loss analysis
- Command-line interface
7.6/10★★★★☆Visit Ethr -
Best forEmbedded and Linux/macOS throughput testing
A focused, scriptable throughput tester for Linux and macOS network work.
- Packet-loss analysis
- Command-line interface
7.5/10★★★★☆Visit iperf3 -
Best forSimple free Windows route monitoring
A focused, portable route monitor for straightforward Windows connectivity troubleshooting.
- Packet-loss analysis
- Command-line interface
7.4/10★★★★☆Visit WinMTR -
Best forFree cross-platform host scanning
A free desktop scanner for host discovery, ports, exports, and command-line workflows.
- DNS diagnostics
- Command-line interface
7.2/10★★★★☆Try Angry IP Scanner -
Best forWi-Fi troubleshooting with packet capture
A focused Windows analyzer for Wi-Fi diagnostics, packet capture, and reporting.
7.1/10★★★★☆Visit Acrylic Wi-Fi -
Best forWi-Fi surveys and heatmaps
A broad Wi-Fi diagnostic toolkit for surveys, heatmaps, planning, and troubleshooting.
7.0/10★★★★☆Visit NetSpot -
Best forBroad consumer internet performance testing
A broad internet performance tester with free core tests and a €2 annual Premium plan.
- Command-line interface
6.9/10★★★☆☆Visit nPerf -
Best forWi-Fi visibility and channel advice
A useful free Wi-Fi scanner, with deeper diagnostics available through a $200 annual plan.
6.8/10★★★☆☆Visit inSSIDer -
Best forFree all-in-one macOS diagnostics
A free macOS desktop utility covering diagnostics, discovery, monitoring, and packet capture.
- Path visualization
- DNS diagnostics
6.7/10★★★☆☆Visit WhatRoute -
Best forFree visual traceroute exploration
A visual traceroute tool with maps, route history, DNS details, and CSV export.
- Path visualization
- DNS diagnostics
6.6/10★★★☆☆Visit site -
Best forScheduled Windows ping and trace tests
A practical freemium utility for scheduled Windows ping, traceroute, scanning, and exports.
- Path visualization
- Packet-loss analysis
6.5/10★★★☆☆Visit PingTester -
Best forAI-assisted enterprise troubleshooting
A focused AI diagnostic assistant for multivendor NetOps teams with reviewable command generation.
6.3/10★★★☆☆Visit OpenText -
Best forBrowser HTTP and HTTPS request diagnostics
Focused browser request diagnostics with free basics and $625 professional licensing.
- DNS diagnostics
6.0/10★★★☆☆Visit HttpWatch -
Best forPortable multi-host Windows ping checks
A focused, portable choice for repeated multi-host ping checks on Windows.
- Command-line interface
5.8/10★★★☆☆Visit PingInfoView -
Best forLinux command-line connectivity checks
A free, scriptable choice for Linux connectivity checks and basic network plumbing.
- DNS diagnostics
- Command-line interface
5.7/10★★★☆☆Visit netcat -
Best forSimple Windows LAN discovery
A practical Windows utility for discovering LAN devices and reaching authorized computers remotely.
5.6/10★★★☆☆Visit site -
Best forFree Windows port diagnostics
A focused Windows utility for discovering devices, ports, and services without a license fee.
5.5/10★★★☆☆Visit Famatech -
Best forResearch-grade Linux path measurements
A research-focused Linux toolkit for precise, scriptable path measurements.
- Command-line interface
5.4/10★★★☆☆Visit HiPerConTracer -
Best forAffordable Windows network utility
A broad, affordable Windows diagnostic utility with a one-time license.
- Path visualization
- DNS diagnostics
5.3/10★★★☆☆Visit NetStat Agent -
Best forWindows TCP and UDP lab testing
A focused, free command-line benchmark for Windows TCP and UDP throughput testing.
- Command-line interface
5.2/10★★★☆☆Visit Microsoft -
Best forFree Windows Wi-Fi inspection
A free Windows tool for detailed Wi-Fi discovery, inspection, filtering, and export.
- Command-line interface
5.1/10★★★☆☆Visit NirSoft -
Best forSimple real-time Windows ping graphs
A focused Windows utility for watching latency to one host as it changes.
5.1/10★★★☆☆Visit GPing -
Best forSimple portable Windows scanning
A free, portable Windows scanner for straightforward network administration.
5.1/10★★★☆☆Visit Dipisoft -
Best forWindows shortcut access to network paths
A capable Windows launcher for network paths, not a network diagnostic tool.
4.9/10★★☆☆☆Visit SystemTrayMenu
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Deployment | DNS diagnostics | Score |
|---|---|---|---|---|---|---|
| 1 | Globalping | Yes | Hybrid | Yes | 9.4 | |
| 2 | RIPE Atlas | Free | Hybrid | Yes | 9.2 | |
| 3 | PingPlotter | Yes | $6.99/mo | Hybrid | 9.0 | |
| 4 | Nmap | Yes | Free | Desktop | Yes | 8.9 |
| 5 | NETworkManager | Yes | Free | Desktop | Yes | 8.7 |
| 6 | SoftPerfect Network Scanner | No | Desktop | 8.6 | ||
| 7 | NetScanTools Pro | No | $299 one-time | Desktop | Yes | 8.4 |
| 8 | VisualRoute | No | Desktop | Yes | 8.3 | |
| 9 | SolarWinds Traceroute NG | Yes | Free | Desktop | Yes | 8.2 |
| 10 | iperf2 | Yes | Free | Desktop | 8.1 | |
| 11 | DNSViz | Free | Hybrid | Yes | 8.0 | |
| 12 | DNSViz Toolkit | Yes | Free | Hybrid | Yes | 7.9 |
| 13 | GRC DNS Benchmark | Yes | Desktop | Yes | 7.7 | |
| 14 | Ethr | Free | Desktop | 7.6 | ||
| 15 | iperf3 | Yes | Free | Desktop | No | 7.5 |
| 16 | WinMTR | Yes | Free | Desktop | No | 7.4 |
| 17 | Angry IP Scanner | Yes | Free | Desktop | Yes | 7.2 |
| 18 | Acrylic Wi-Fi Analyzer | Yes | $3.99/user/mo | 7.1 | ||
| 19 | NetSpot | Yes | $199 one-time | 7.0 | ||
| 20 | nPerf | Yes | €2/yr | Hybrid | 6.9 | |
| 21 | inSSIDer | Yes | $200/yr | 6.8 | ||
| 22 | WhatRoute | Yes | Free | Desktop | Yes | 6.7 |
| 23 | Open Visual Traceroute | Yes | Free | Desktop | Yes | 6.6 |
| 24 | PingTester | Yes | Hybrid | 6.5 | ||
| 25 | Network Assistant | Hybrid | 6.3 | |||
| 26 | HttpWatch | Yes | $625 one-time | Desktop | Yes | 6.0 |
| 27 | PingInfoView | Yes | Free | Desktop | 5.8 | |
| 28 | netcat | Yes | Free | Desktop | Yes | 5.7 |
| 29 | Advanced IP Scanner | Yes | Free | Desktop | 5.6 | |
| 30 | Advanced Port Scanner | Yes | Free | Desktop | 5.5 | |
| 31 | HiPerConTracer | Free | Desktop | 5.4 | ||
| 32 | NetStat Agent | No | $34.95 one-time | Desktop | Yes | 5.3 |
| 33 | NTTTCP | Yes | Free | Desktop | 5.2 | |
| 34 | WifiInfoView | Yes | Free | Desktop | No | 5.1 |
| 35 | GPing | Yes | Free | Desktop | 5.1 | |
| 36 | Dipiscan | Yes | Free | Desktop | 5.1 | |
| 37 | SystemTrayMenu | Yes | Free | 4.9 |
Head-to-head All 28 comparisons →
- Globalping vs RIPE Atlas
- Globalping vs PingPlotter
- Globalping vs Nmap
- Globalping vs NETworkManager
- Globalping vs SoftPerfect Network Scanner
- Globalping vs NetScanTools Pro
- Globalping vs VisualRoute
- RIPE Atlas vs PingPlotter
- RIPE Atlas vs Nmap
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How we rank network diagnostic software
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update