Open-source tool for testing internet speed and connection quality.
Best LAN Speed Test Alternatives ranked by AI · updated Aug 2026
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LAN Speed Test measures file-transfer performance across local networks and storage locations using a graphical interface. It is intended for Windows and macOS users who want a straightforward way to compare wired, wireless, NAS, and shared-folder speeds.
Top 6 LAN Speed Test alternatives
TamoSoft Throughput Test is a graphical network performance utility that measures TCP and UDP throughput, packet loss, and related connection statistics. It...
Pros
- Provides a graphical alternative to command-line tools
- Measures TCP and UDP traffic with packet-loss information
- Useful for testing wireless and VPN connections
Cons
- Less widely used and documented than iPerf3
- Platform support is narrower than iPerf3
- Interface and workflow are less modern than newer tools
Ostinato is an open-source network packet crafter/traffic generator with a friendly GUI. It aims to be "Wireshark in Reverse" and become complementary...
NetIO-GUI is a graphical front end for the NetIO network throughput benchmark, aimed primarily at Windows users testing LAN and network performance....
Pros
- Provides a simpler Windows interface than command-line NetIO
- Useful for basic client-server LAN throughput tests
- Lightweight and free to use
Cons
- Fewer protocol and measurement options than iPerf3
- Less actively maintained than modern network benchmark tools
- Primarily suited to Windows rather than cross-platform workflows
NetStress is a Windows network benchmarking utility for measuring TCP and UDP throughput between two systems. It is aimed at network administrators...
Pros
- Simple graphical workflow compared with command-line tools such as iPerf3
- Tests both TCP and UDP throughput
- Useful for quick Windows-to-Windows LAN and Wi-Fi checks
Cons
- Windows-only, unlike iPerf3 and nuttcp
- Less automation and scripting support than command-line benchmarks
- Smaller ecosystem and community than iPerf3
iperf3 is an open-source command-line tool for measuring network throughput between client and server endpoints. It is widely used by network administrators...
Pros
- More widely deployed and easier to find on existing systems than Flent
- Provides detailed TCP and UDP throughput measurements
- Supports parallel streams, reverse tests, and JSON output
Cons
- Provides less built-in visualization and test orchestration than Flent
- Requires endpoints under your control for most useful tests
- Less focused on long-term latency and bufferbloat analysis
Free, open source
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